393451380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1499

約数の個数: 216

約数和(自身を含む): 1434101760

約数和(自身を除く): 1040650380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 372, 420, 434, 441, 465, 490, 558, 588, 620, 630, 651, 735, 868, 882, 930, 980, 1085, 1116, 1260, 1302, 1395, 1439, 1470, 1519, 1764, 1860, 1953, 2170, 2205, 2604, 2790, 2878, 2940, 3038, 3255, 3906, 4317, 4340, 4410, 4557, 5580, 5756, 6076, 6510, 7195, 7595, 7812, 8634, 8820, 9114, 9765, 10073, 12951, 13020, 13671, 14390, 15190, 17268, 18228, 19530, 20146, 21585, 22785, 25902, 27342, 28780, 30219, 30380, 39060, 40292, 43170, 44609, 45570, 50365, 51804, 54684, 60438, 64755, 68355, 70511, 86340, 89218, 90657, 91140, 100730, 120876, 129510, 133827, 136710, 141022, 151095, 178436, 181314, 201460, 211533, 223045, 259020, 267654, 273420, 282044, 302190, 312263, 352555, 362628, 401481, 423066, 446090, 453285, 535308, 604380, 624526, 634599, 669135, 705110, 802962, 846132, 892180, 906570, 936789, 1057665, 1249052, 1269198, 1338270, 1410220, 1561315, 1605924, 1813140, 1873578, 2007405, 2115330, 2185841, 2538396, 2676540, 2810367, 3122630, 3172995, 3747156, 4014810, 4230660, 4371682, 4683945, 5620734, 6245260, 6345990, 6557523, 8029620, 8743364, 9367890, 10929205, 11241468, 12691980, 13115046, 14051835, 18735780, 19672569, 21858410, 26230092, 28103670, 32787615, 39345138, 43716820, 56207340, 65575230, 78690276, 98362845, 131150460, 196725690, 393451380]

約数ペア:

[(1, 393451380), (2, 196725690), (3, 131150460), (4, 98362845), (5, 78690276), (6, 65575230), (7, 56207340), (9, 43716820), (10, 39345138), (12, 32787615), (14, 28103670), (15, 26230092), (18, 21858410), (20, 19672569), (21, 18735780), (28, 14051835), (30, 13115046), (31, 12691980), (35, 11241468), (36, 10929205), (42, 9367890), (45, 8743364), (49, 8029620), (60, 6557523), (62, 6345990), (63, 6245260), (70, 5620734), (84, 4683945), (90, 4371682), (93, 4230660), (98, 4014810), (105, 3747156), (124, 3172995), (126, 3122630), (140, 2810367), (147, 2676540), (155, 2538396), (180, 2185841), (186, 2115330), (196, 2007405), (210, 1873578), (217, 1813140), (245, 1605924), (252, 1561315), (279, 1410220), (294, 1338270), (310, 1269198), (315, 1249052), (372, 1057665), (420, 936789), (434, 906570), (441, 892180), (465, 846132), (490, 802962), (558, 705110), (588, 669135), (620, 634599), (630, 624526), (651, 604380), (735, 535308), (868, 453285), (882, 446090), (930, 423066), (980, 401481), (1085, 362628), (1116, 352555), (1260, 312263), (1302, 302190), (1395, 282044), (1439, 273420), (1470, 267654), (1519, 259020), (1764, 223045), (1860, 211533), (1953, 201460), (2170, 181314), (2205, 178436), (2604, 151095), (2790, 141022), (2878, 136710), (2940, 133827), (3038, 129510), (3255, 120876), (3906, 100730), (4317, 91140), (4340, 90657), (4410, 89218), (4557, 86340), (5580, 70511), (5756, 68355), (6076, 64755), (6510, 60438), (7195, 54684), (7595, 51804), (7812, 50365), (8634, 45570), (8820, 44609), (9114, 43170), (9765, 40292), (10073, 39060), (12951, 30380), (13020, 30219), (13671, 28780), (14390, 27342), (15190, 25902), (17268, 22785), (18228, 21585), (19530, 20146)]