10878980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 28182168

約数和(自身を除く): 17303188

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 653, 833, 980, 1190, 1306, 1666, 2380, 2612, 3265, 3332, 4165, 4571, 6530, 8330, 9142, 11101, 13060, 16660, 18284, 22202, 22855, 31997, 44404, 45710, 55505, 63994, 77707, 91420, 111010, 127988, 155414, 159985, 222020, 310828, 319970, 388535, 543949, 639940, 777070, 1087898, 1554140, 2175796, 2719745, 5439490, 10878980]

約数ペア:

[(1, 10878980), (2, 5439490), (4, 2719745), (5, 2175796), (7, 1554140), (10, 1087898), (14, 777070), (17, 639940), (20, 543949), (28, 388535), (34, 319970), (35, 310828), (49, 222020), (68, 159985), (70, 155414), (85, 127988), (98, 111010), (119, 91420), (140, 77707), (170, 63994), (196, 55505), (238, 45710), (245, 44404), (340, 31997), (476, 22855), (490, 22202), (595, 18284), (653, 16660), (833, 13060), (980, 11101), (1190, 9142), (1306, 8330), (1666, 6530), (2380, 4571), (2612, 4165), (3265, 3332)]