234857980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{367}}^1\times {\mathrm{653}}^1$

素因数の和:1043

約数の個数: 72

約数和(自身を含む): 576168768

約数和(自身を除く): 341310788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 367, 490, 653, 734, 980, 1306, 1468, 1835, 2569, 2612, 3265, 3670, 4571, 5138, 6530, 7340, 9142, 10276, 12845, 13060, 17983, 18284, 22855, 25690, 31997, 35966, 45710, 51380, 63994, 71932, 89915, 91420, 127988, 159985, 179830, 239651, 319970, 359660, 479302, 639940, 958604, 1198255, 1677557, 2396510, 3355114, 4793020, 6710228, 8387785, 11742899, 16775570, 23485798, 33551140, 46971596, 58714495, 117428990, 234857980]

約数ペア:

[(1, 234857980), (2, 117428990), (4, 58714495), (5, 46971596), (7, 33551140), (10, 23485798), (14, 16775570), (20, 11742899), (28, 8387785), (35, 6710228), (49, 4793020), (70, 3355114), (98, 2396510), (140, 1677557), (196, 1198255), (245, 958604), (367, 639940), (490, 479302), (653, 359660), (734, 319970), (980, 239651), (1306, 179830), (1468, 159985), (1835, 127988), (2569, 91420), (2612, 89915), (3265, 71932), (3670, 63994), (4571, 51380), (5138, 45710), (6530, 35966), (7340, 31997), (9142, 25690), (10276, 22855), (12845, 18284), (13060, 17983)]