28167100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 67370688

約数和(自身を除く): 39203588

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 235, 260, 325, 461, 470, 611, 650, 922, 940, 1175, 1222, 1300, 1844, 2305, 2350, 2444, 3055, 4610, 4700, 5993, 6110, 9220, 11525, 11986, 12220, 15275, 21667, 23050, 23972, 29965, 30550, 43334, 46100, 59930, 61100, 86668, 108335, 119860, 149825, 216670, 281671, 299650, 433340, 541675, 563342, 599300, 1083350, 1126684, 1408355, 2166700, 2816710, 5633420, 7041775, 14083550, 28167100]

約数ペア:

[(1, 28167100), (2, 14083550), (4, 7041775), (5, 5633420), (10, 2816710), (13, 2166700), (20, 1408355), (25, 1126684), (26, 1083350), (47, 599300), (50, 563342), (52, 541675), (65, 433340), (94, 299650), (100, 281671), (130, 216670), (188, 149825), (235, 119860), (260, 108335), (325, 86668), (461, 61100), (470, 59930), (611, 46100), (650, 43334), (922, 30550), (940, 29965), (1175, 23972), (1222, 23050), (1300, 21667), (1844, 15275), (2305, 12220), (2350, 11986), (2444, 11525), (3055, 9220), (4610, 6110), (4700, 5993)]