397357380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3447

約数の個数: 192

約数和(自身を含む): 1458831360

約数和(自身を除く): 1061473980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1395, 1674, 1860, 1890, 1953, 2170, 2604, 2790, 3255, 3348, 3391, 3780, 3906, 4185, 4340, 5580, 5859, 6510, 6782, 7812, 8370, 9765, 10173, 11718, 13020, 13564, 16740, 16955, 19530, 20346, 23436, 23737, 29295, 30519, 33910, 39060, 40692, 47474, 50865, 58590, 61038, 67820, 71211, 91557, 94948, 101730, 105121, 117180, 118685, 122076, 142422, 152595, 183114, 203460, 210242, 213633, 237370, 284844, 305190, 315363, 356055, 366228, 420484, 427266, 457785, 474740, 525605, 610380, 630726, 640899, 712110, 735847, 854532, 915570, 946089, 1051210, 1068165, 1261452, 1281798, 1424220, 1471694, 1576815, 1831140, 1892178, 2102420, 2136330, 2207541, 2563596, 2838267, 2943388, 3153630, 3204495, 3679235, 3784356, 4272660, 4415082, 4730445, 5676534, 6307260, 6408990, 6622623, 7358470, 8830164, 9460890, 11037705, 11353068, 12817980, 13245246, 14191335, 14716940, 18921780, 19867869, 22075410, 26490492, 28382670, 33113115, 39735738, 44150820, 56765340, 66226230, 79471476, 99339345, 132452460, 198678690, 397357380]

約数ペア:

[(1, 397357380), (2, 198678690), (3, 132452460), (4, 99339345), (5, 79471476), (6, 66226230), (7, 56765340), (9, 44150820), (10, 39735738), (12, 33113115), (14, 28382670), (15, 26490492), (18, 22075410), (20, 19867869), (21, 18921780), (27, 14716940), (28, 14191335), (30, 13245246), (31, 12817980), (35, 11353068), (36, 11037705), (42, 9460890), (45, 8830164), (54, 7358470), (60, 6622623), (62, 6408990), (63, 6307260), (70, 5676534), (84, 4730445), (90, 4415082), (93, 4272660), (105, 3784356), (108, 3679235), (124, 3204495), (126, 3153630), (135, 2943388), (140, 2838267), (155, 2563596), (180, 2207541), (186, 2136330), (189, 2102420), (210, 1892178), (217, 1831140), (252, 1576815), (270, 1471694), (279, 1424220), (310, 1281798), (315, 1261452), (372, 1068165), (378, 1051210), (420, 946089), (434, 915570), (465, 854532), (540, 735847), (558, 712110), (620, 640899), (630, 630726), (651, 610380), (756, 525605), (837, 474740), (868, 457785), (930, 427266), (945, 420484), (1085, 366228), (1116, 356055), (1260, 315363), (1302, 305190), (1395, 284844), (1674, 237370), (1860, 213633), (1890, 210242), (1953, 203460), (2170, 183114), (2604, 152595), (2790, 142422), (3255, 122076), (3348, 118685), (3391, 117180), (3780, 105121), (3906, 101730), (4185, 94948), (4340, 91557), (5580, 71211), (5859, 67820), (6510, 61038), (6782, 58590), (7812, 50865), (8370, 47474), (9765, 40692), (10173, 39060), (11718, 33910), (13020, 30519), (13564, 29295), (16740, 23737), (16955, 23436), (19530, 20346)]