398255760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2549}}^1$

素因数の和:2606

約数の個数: 240

約数和(自身を含む): 1578470400

約数和(自身を除く): 1180214640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2549, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5098, 5208, 5580, 6510, 7440, 7647, 7812, 8680, 9765, 10196, 10416, 11160, 12745, 13020, 15294, 15624, 17360, 17843, 19530, 20392, 22320, 22941, 25490, 26040, 30588, 31248, 35686, 38235, 39060, 40784, 45882, 50980, 52080, 53529, 61176, 71372, 76470, 78120, 79019, 89215, 91764, 101960, 107058, 114705, 122352, 142744, 152940, 156240, 158038, 160587, 178430, 183528, 203920, 214116, 229410, 237057, 267645, 285488, 305880, 316076, 321174, 356860, 367056, 395095, 428232, 458820, 474114, 535290, 553133, 611760, 632152, 642348, 711171, 713720, 790190, 802935, 856464, 917640, 948228, 1070580, 1106266, 1185285, 1264304, 1284696, 1422342, 1427440, 1580380, 1605870, 1659399, 1835280, 1896456, 2141160, 2212532, 2370570, 2569392, 2765665, 2844684, 3160760, 3211740, 3318798, 3555855, 3792912, 4282320, 4425064, 4741140, 4978197, 5531330, 5689368, 6321520, 6423480, 6637596, 7111710, 8296995, 8850128, 9482280, 9956394, 11062660, 11378736, 12846960, 13275192, 14223420, 16593990, 18964560, 19912788, 22125320, 24890985, 26550384, 28446840, 33187980, 39825576, 44250640, 49781970, 56893680, 66375960, 79651152, 99563940, 132751920, 199127880, 398255760]

約数ペア:

[(1, 398255760), (2, 199127880), (3, 132751920), (4, 99563940), (5, 79651152), (6, 66375960), (7, 56893680), (8, 49781970), (9, 44250640), (10, 39825576), (12, 33187980), (14, 28446840), (15, 26550384), (16, 24890985), (18, 22125320), (20, 19912788), (21, 18964560), (24, 16593990), (28, 14223420), (30, 13275192), (31, 12846960), (35, 11378736), (36, 11062660), (40, 9956394), (42, 9482280), (45, 8850128), (48, 8296995), (56, 7111710), (60, 6637596), (62, 6423480), (63, 6321520), (70, 5689368), (72, 5531330), (80, 4978197), (84, 4741140), (90, 4425064), (93, 4282320), (105, 3792912), (112, 3555855), (120, 3318798), (124, 3211740), (126, 3160760), (140, 2844684), (144, 2765665), (155, 2569392), (168, 2370570), (180, 2212532), (186, 2141160), (210, 1896456), (217, 1835280), (240, 1659399), (248, 1605870), (252, 1580380), (279, 1427440), (280, 1422342), (310, 1284696), (315, 1264304), (336, 1185285), (360, 1106266), (372, 1070580), (420, 948228), (434, 917640), (465, 856464), (496, 802935), (504, 790190), (558, 713720), (560, 711171), (620, 642348), (630, 632152), (651, 611760), (720, 553133), (744, 535290), (840, 474114), (868, 458820), (930, 428232), (1008, 395095), (1085, 367056), (1116, 356860), (1240, 321174), (1260, 316076), (1302, 305880), (1395, 285488), (1488, 267645), (1680, 237057), (1736, 229410), (1860, 214116), (1953, 203920), (2170, 183528), (2232, 178430), (2480, 160587), (2520, 158038), (2549, 156240), (2604, 152940), (2790, 142744), (3255, 122352), (3472, 114705), (3720, 107058), (3906, 101960), (4340, 91764), (4464, 89215), (5040, 79019), (5098, 78120), (5208, 76470), (5580, 71372), (6510, 61176), (7440, 53529), (7647, 52080), (7812, 50980), (8680, 45882), (9765, 40784), (10196, 39060), (10416, 38235), (11160, 35686), (12745, 31248), (13020, 30588), (15294, 26040), (15624, 25490), (17360, 22941), (17843, 22320), (19530, 20392)]