38870000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 150

約数和(自身を含む): 106334712

約数和(自身を除く): 67464712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 125, 130, 169, 184, 200, 208, 230, 250, 260, 299, 325, 338, 368, 400, 460, 500, 520, 575, 598, 625, 650, 676, 845, 920, 1000, 1040, 1150, 1196, 1250, 1300, 1352, 1495, 1625, 1690, 1840, 2000, 2300, 2392, 2500, 2600, 2704, 2875, 2990, 3250, 3380, 3887, 4225, 4600, 4784, 5000, 5200, 5750, 5980, 6500, 6760, 7475, 7774, 8125, 8450, 9200, 10000, 11500, 11960, 13000, 13520, 14375, 14950, 15548, 16250, 16900, 19435, 21125, 23000, 23920, 26000, 28750, 29900, 31096, 32500, 33800, 37375, 38870, 42250, 46000, 57500, 59800, 62192, 65000, 67600, 74750, 77740, 84500, 97175, 105625, 115000, 119600, 130000, 149500, 155480, 169000, 186875, 194350, 211250, 230000, 299000, 310960, 338000, 373750, 388700, 422500, 485875, 598000, 747500, 777400, 845000, 971750, 1495000, 1554800, 1690000, 1943500, 2429375, 2990000, 3887000, 4858750, 7774000, 9717500, 19435000, 38870000]

約数ペア:

[(1, 38870000), (2, 19435000), (4, 9717500), (5, 7774000), (8, 4858750), (10, 3887000), (13, 2990000), (16, 2429375), (20, 1943500), (23, 1690000), (25, 1554800), (26, 1495000), (40, 971750), (46, 845000), (50, 777400), (52, 747500), (65, 598000), (80, 485875), (92, 422500), (100, 388700), (104, 373750), (115, 338000), (125, 310960), (130, 299000), (169, 230000), (184, 211250), (200, 194350), (208, 186875), (230, 169000), (250, 155480), (260, 149500), (299, 130000), (325, 119600), (338, 115000), (368, 105625), (400, 97175), (460, 84500), (500, 77740), (520, 74750), (575, 67600), (598, 65000), (625, 62192), (650, 59800), (676, 57500), (845, 46000), (920, 42250), (1000, 38870), (1040, 37375), (1150, 33800), (1196, 32500), (1250, 31096), (1300, 29900), (1352, 28750), (1495, 26000), (1625, 23920), (1690, 23000), (1840, 21125), (2000, 19435), (2300, 16900), (2392, 16250), (2500, 15548), (2600, 14950), (2704, 14375), (2875, 13520), (2990, 13000), (3250, 11960), (3380, 11500), (3887, 10000), (4225, 9200), (4600, 8450), (4784, 8125), (5000, 7774), (5200, 7475), (5750, 6760), (5980, 6500)]