31177100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 72651600

約数和(自身を除く): 41474500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 95, 100, 122, 190, 244, 269, 305, 380, 475, 538, 610, 950, 1076, 1159, 1220, 1345, 1525, 1900, 2318, 2690, 3050, 4636, 5111, 5380, 5795, 6100, 6725, 10222, 11590, 13450, 16409, 20444, 23180, 25555, 26900, 28975, 32818, 51110, 57950, 65636, 82045, 102220, 115900, 127775, 164090, 255550, 311771, 328180, 410225, 511100, 623542, 820450, 1247084, 1558855, 1640900, 3117710, 6235420, 7794275, 15588550, 31177100]

約数ペア:

[(1, 31177100), (2, 15588550), (4, 7794275), (5, 6235420), (10, 3117710), (19, 1640900), (20, 1558855), (25, 1247084), (38, 820450), (50, 623542), (61, 511100), (76, 410225), (95, 328180), (100, 311771), (122, 255550), (190, 164090), (244, 127775), (269, 115900), (305, 102220), (380, 82045), (475, 65636), (538, 57950), (610, 51110), (950, 32818), (1076, 28975), (1159, 26900), (1220, 25555), (1345, 23180), (1525, 20444), (1900, 16409), (2318, 13450), (2690, 11590), (3050, 10222), (4636, 6725), (5111, 6100), (5380, 5795)]