158838100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2039}}^1$

素因数の和:2113

約数の個数: 72

約数和(自身を含む): 371851200

約数和(自身を除く): 213013100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 41, 50, 76, 82, 95, 100, 164, 190, 205, 380, 410, 475, 779, 820, 950, 1025, 1558, 1900, 2039, 2050, 3116, 3895, 4078, 4100, 7790, 8156, 10195, 15580, 19475, 20390, 38741, 38950, 40780, 50975, 77482, 77900, 83599, 101950, 154964, 167198, 193705, 203900, 334396, 387410, 417995, 774820, 835990, 968525, 1588381, 1671980, 1937050, 2089975, 3176762, 3874100, 4179950, 6353524, 7941905, 8359900, 15883810, 31767620, 39709525, 79419050, 158838100]

約数ペア:

[(1, 158838100), (2, 79419050), (4, 39709525), (5, 31767620), (10, 15883810), (19, 8359900), (20, 7941905), (25, 6353524), (38, 4179950), (41, 3874100), (50, 3176762), (76, 2089975), (82, 1937050), (95, 1671980), (100, 1588381), (164, 968525), (190, 835990), (205, 774820), (380, 417995), (410, 387410), (475, 334396), (779, 203900), (820, 193705), (950, 167198), (1025, 154964), (1558, 101950), (1900, 83599), (2039, 77900), (2050, 77482), (3116, 50975), (3895, 40780), (4078, 38950), (4100, 38741), (7790, 20390), (8156, 19475), (10195, 15580)]