31872500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 81348960

約数和(自身を除く): 49476460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 61, 76, 95, 100, 110, 122, 125, 190, 209, 220, 244, 250, 275, 305, 380, 418, 475, 500, 550, 610, 625, 671, 836, 950, 1045, 1100, 1159, 1220, 1250, 1342, 1375, 1525, 1900, 2090, 2318, 2375, 2500, 2684, 2750, 3050, 3355, 4180, 4636, 4750, 5225, 5500, 5795, 6100, 6710, 6875, 7625, 9500, 10450, 11590, 11875, 12749, 13420, 13750, 15250, 16775, 20900, 23180, 23750, 25498, 26125, 27500, 28975, 30500, 33550, 38125, 47500, 50996, 52250, 57950, 63745, 67100, 76250, 83875, 104500, 115900, 127490, 130625, 144875, 152500, 167750, 254980, 261250, 289750, 318725, 335500, 419375, 522500, 579500, 637450, 724375, 838750, 1274900, 1448750, 1593625, 1677500, 2897500, 3187250, 6374500, 7968125, 15936250, 31872500]

約数ペア:

[(1, 31872500), (2, 15936250), (4, 7968125), (5, 6374500), (10, 3187250), (11, 2897500), (19, 1677500), (20, 1593625), (22, 1448750), (25, 1274900), (38, 838750), (44, 724375), (50, 637450), (55, 579500), (61, 522500), (76, 419375), (95, 335500), (100, 318725), (110, 289750), (122, 261250), (125, 254980), (190, 167750), (209, 152500), (220, 144875), (244, 130625), (250, 127490), (275, 115900), (305, 104500), (380, 83875), (418, 76250), (475, 67100), (500, 63745), (550, 57950), (610, 52250), (625, 50996), (671, 47500), (836, 38125), (950, 33550), (1045, 30500), (1100, 28975), (1159, 27500), (1220, 26125), (1250, 25498), (1342, 23750), (1375, 23180), (1525, 20900), (1900, 16775), (2090, 15250), (2318, 13750), (2375, 13420), (2500, 12749), (2684, 11875), (2750, 11590), (3050, 10450), (3355, 9500), (4180, 7625), (4636, 6875), (4750, 6710), (5225, 6100), (5500, 5795)]