31109650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 71870400

約数和(自身を除く): 40760750

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 25, 26, 38, 50, 55, 65, 95, 110, 130, 143, 190, 209, 229, 247, 275, 286, 325, 418, 458, 475, 494, 550, 650, 715, 950, 1045, 1145, 1235, 1430, 2090, 2290, 2470, 2519, 2717, 2977, 3575, 4351, 5038, 5225, 5434, 5725, 5954, 6175, 7150, 8702, 10450, 11450, 12350, 12595, 13585, 14885, 21755, 25190, 27170, 29770, 32747, 43510, 47861, 56563, 62975, 65494, 67925, 74425, 95722, 108775, 113126, 125950, 135850, 148850, 163735, 217550, 239305, 282815, 327470, 478610, 565630, 622193, 818675, 1196525, 1244386, 1414075, 1637350, 2393050, 2828150, 3110965, 6221930, 15554825, 31109650]

約数ペア:

[(1, 31109650), (2, 15554825), (5, 6221930), (10, 3110965), (11, 2828150), (13, 2393050), (19, 1637350), (22, 1414075), (25, 1244386), (26, 1196525), (38, 818675), (50, 622193), (55, 565630), (65, 478610), (95, 327470), (110, 282815), (130, 239305), (143, 217550), (190, 163735), (209, 148850), (229, 135850), (247, 125950), (275, 113126), (286, 108775), (325, 95722), (418, 74425), (458, 67925), (475, 65494), (494, 62975), (550, 56563), (650, 47861), (715, 43510), (950, 32747), (1045, 29770), (1145, 27170), (1235, 25190), (1430, 21755), (2090, 14885), (2290, 13585), (2470, 12595), (2519, 12350), (2717, 11450), (2977, 10450), (3575, 8702), (4351, 7150), (5038, 6175), (5225, 5954), (5434, 5725)]