28763800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 144

約数和(自身を含む): 77606640

約数和(自身を除く): 48842840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 37, 40, 46, 50, 52, 65, 74, 92, 100, 104, 115, 130, 148, 169, 184, 185, 200, 230, 260, 296, 299, 325, 338, 370, 460, 481, 520, 575, 598, 650, 676, 740, 845, 851, 920, 925, 962, 1150, 1196, 1300, 1352, 1480, 1495, 1690, 1702, 1850, 1924, 2300, 2392, 2405, 2600, 2990, 3380, 3404, 3700, 3848, 3887, 4225, 4255, 4600, 4810, 5980, 6253, 6760, 6808, 7400, 7475, 7774, 8450, 8510, 9620, 11063, 11960, 12025, 12506, 14950, 15548, 16900, 17020, 19240, 19435, 21275, 22126, 24050, 25012, 29900, 31096, 31265, 33800, 34040, 38870, 42550, 44252, 48100, 50024, 55315, 59800, 62530, 77740, 85100, 88504, 96200, 97175, 110630, 125060, 143819, 155480, 156325, 170200, 194350, 221260, 250120, 276575, 287638, 312650, 388700, 442520, 553150, 575276, 625300, 719095, 777400, 1106300, 1150552, 1250600, 1438190, 2212600, 2876380, 3595475, 5752760, 7190950, 14381900, 28763800]

約数ペア:

[(1, 28763800), (2, 14381900), (4, 7190950), (5, 5752760), (8, 3595475), (10, 2876380), (13, 2212600), (20, 1438190), (23, 1250600), (25, 1150552), (26, 1106300), (37, 777400), (40, 719095), (46, 625300), (50, 575276), (52, 553150), (65, 442520), (74, 388700), (92, 312650), (100, 287638), (104, 276575), (115, 250120), (130, 221260), (148, 194350), (169, 170200), (184, 156325), (185, 155480), (200, 143819), (230, 125060), (260, 110630), (296, 97175), (299, 96200), (325, 88504), (338, 85100), (370, 77740), (460, 62530), (481, 59800), (520, 55315), (575, 50024), (598, 48100), (650, 44252), (676, 42550), (740, 38870), (845, 34040), (851, 33800), (920, 31265), (925, 31096), (962, 29900), (1150, 25012), (1196, 24050), (1300, 22126), (1352, 21275), (1480, 19435), (1495, 19240), (1690, 17020), (1702, 16900), (1850, 15548), (1924, 14950), (2300, 12506), (2392, 12025), (2405, 11960), (2600, 11063), (2990, 9620), (3380, 8510), (3404, 8450), (3700, 7774), (3848, 7475), (3887, 7400), (4225, 6808), (4255, 6760), (4600, 6253), (4810, 5980)]