213857450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10939}}^1$

素因数の和:10991

約数の個数: 48

約数和(自身を含む): 439525440

約数和(自身を除く): 225667990

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1150, 1955, 3910, 9775, 10939, 19550, 21878, 54695, 109390, 185963, 251597, 273475, 371926, 503194, 546950, 929815, 1257985, 1859630, 2515970, 4277149, 4649075, 6289925, 8554298, 9298150, 12579850, 21385745, 42771490, 106928725, 213857450]

約数ペア:

[(1, 213857450), (2, 106928725), (5, 42771490), (10, 21385745), (17, 12579850), (23, 9298150), (25, 8554298), (34, 6289925), (46, 4649075), (50, 4277149), (85, 2515970), (115, 1859630), (170, 1257985), (230, 929815), (391, 546950), (425, 503194), (575, 371926), (782, 273475), (850, 251597), (1150, 185963), (1955, 109390), (3910, 54695), (9775, 21878), (10939, 19550)]