4251940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 11261376

約数和(自身を除く): 7009436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 251, 308, 385, 484, 502, 605, 770, 847, 1004, 1210, 1255, 1540, 1694, 1757, 2420, 2510, 2761, 3388, 3514, 4235, 5020, 5522, 7028, 8470, 8785, 11044, 13805, 16940, 17570, 19327, 27610, 30371, 35140, 38654, 55220, 60742, 77308, 96635, 121484, 151855, 193270, 212597, 303710, 386540, 425194, 607420, 850388, 1062985, 2125970, 4251940]

約数ペア:

[(1, 4251940), (2, 2125970), (4, 1062985), (5, 850388), (7, 607420), (10, 425194), (11, 386540), (14, 303710), (20, 212597), (22, 193270), (28, 151855), (35, 121484), (44, 96635), (55, 77308), (70, 60742), (77, 55220), (110, 38654), (121, 35140), (140, 30371), (154, 27610), (220, 19327), (242, 17570), (251, 16940), (308, 13805), (385, 11044), (484, 8785), (502, 8470), (605, 7028), (770, 5522), (847, 5020), (1004, 4235), (1210, 3514), (1255, 3388), (1540, 2761), (1694, 2510), (1757, 2420)]