42001900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:859

約数の個数: 72

約数和(自身を含む): 99743616

約数和(自身を除く): 57741716

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 797, 850, 1054, 1550, 1594, 1700, 2108, 2635, 3100, 3188, 3985, 5270, 7970, 10540, 13175, 13549, 15940, 19925, 24707, 26350, 27098, 39850, 49414, 52700, 54196, 67745, 79700, 98828, 123535, 135490, 247070, 270980, 338725, 420019, 494140, 617675, 677450, 840038, 1235350, 1354900, 1680076, 2100095, 2470700, 4200190, 8400380, 10500475, 21000950, 42001900]

約数ペア:

[(1, 42001900), (2, 21000950), (4, 10500475), (5, 8400380), (10, 4200190), (17, 2470700), (20, 2100095), (25, 1680076), (31, 1354900), (34, 1235350), (50, 840038), (62, 677450), (68, 617675), (85, 494140), (100, 420019), (124, 338725), (155, 270980), (170, 247070), (310, 135490), (340, 123535), (425, 98828), (527, 79700), (620, 67745), (775, 54196), (797, 52700), (850, 49414), (1054, 39850), (1550, 27098), (1594, 26350), (1700, 24707), (2108, 19925), (2635, 15940), (3100, 13549), (3188, 13175), (3985, 10540), (5270, 7970)]