86936980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 212364180

約数和(自身を除く): 125427200

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 89, 130, 169, 170, 178, 221, 260, 289, 338, 340, 356, 442, 445, 578, 676, 845, 884, 890, 1105, 1156, 1157, 1445, 1513, 1690, 1780, 2210, 2314, 2873, 2890, 3026, 3380, 3757, 4420, 4628, 5746, 5780, 5785, 6052, 7514, 7565, 11492, 11570, 14365, 15028, 15041, 15130, 18785, 19669, 23140, 25721, 28730, 30082, 30260, 37570, 39338, 48841, 51442, 57460, 60164, 75140, 75205, 78676, 97682, 98345, 102884, 128605, 150410, 195364, 196690, 244205, 255697, 257210, 300820, 334373, 393380, 488410, 511394, 514420, 668746, 976820, 1022788, 1278485, 1337492, 1671865, 2556970, 3343730, 4346849, 5113940, 6687460, 8693698, 17387396, 21734245, 43468490, 86936980]

約数ペア:

[(1, 86936980), (2, 43468490), (4, 21734245), (5, 17387396), (10, 8693698), (13, 6687460), (17, 5113940), (20, 4346849), (26, 3343730), (34, 2556970), (52, 1671865), (65, 1337492), (68, 1278485), (85, 1022788), (89, 976820), (130, 668746), (169, 514420), (170, 511394), (178, 488410), (221, 393380), (260, 334373), (289, 300820), (338, 257210), (340, 255697), (356, 244205), (442, 196690), (445, 195364), (578, 150410), (676, 128605), (845, 102884), (884, 98345), (890, 97682), (1105, 78676), (1156, 75205), (1157, 75140), (1445, 60164), (1513, 57460), (1690, 51442), (1780, 48841), (2210, 39338), (2314, 37570), (2873, 30260), (2890, 30082), (3026, 28730), (3380, 25721), (3757, 23140), (4420, 19669), (4628, 18785), (5746, 15130), (5780, 15041), (5785, 15028), (6052, 14365), (7514, 11570), (7565, 11492)]