19207500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 60618096

約数和(自身を除く): 41410596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 197, 250, 260, 300, 325, 375, 390, 394, 500, 591, 625, 650, 750, 780, 788, 975, 985, 1182, 1250, 1300, 1500, 1625, 1875, 1950, 1970, 2364, 2500, 2561, 2955, 3250, 3750, 3900, 3940, 4875, 4925, 5122, 5910, 6500, 7500, 7683, 8125, 9750, 9850, 10244, 11820, 12805, 14775, 15366, 16250, 19500, 19700, 24375, 24625, 25610, 29550, 30732, 32500, 38415, 48750, 49250, 51220, 59100, 64025, 73875, 76830, 97500, 98500, 123125, 128050, 147750, 153660, 192075, 246250, 256100, 295500, 320125, 369375, 384150, 492500, 640250, 738750, 768300, 960375, 1280500, 1477500, 1600625, 1920750, 3201250, 3841500, 4801875, 6402500, 9603750, 19207500]

約数ペア:

[(1, 19207500), (2, 9603750), (3, 6402500), (4, 4801875), (5, 3841500), (6, 3201250), (10, 1920750), (12, 1600625), (13, 1477500), (15, 1280500), (20, 960375), (25, 768300), (26, 738750), (30, 640250), (39, 492500), (50, 384150), (52, 369375), (60, 320125), (65, 295500), (75, 256100), (78, 246250), (100, 192075), (125, 153660), (130, 147750), (150, 128050), (156, 123125), (195, 98500), (197, 97500), (250, 76830), (260, 73875), (300, 64025), (325, 59100), (375, 51220), (390, 49250), (394, 48750), (500, 38415), (591, 32500), (625, 30732), (650, 29550), (750, 25610), (780, 24625), (788, 24375), (975, 19700), (985, 19500), (1182, 16250), (1250, 15366), (1300, 14775), (1500, 12805), (1625, 11820), (1875, 10244), (1950, 9850), (1970, 9750), (2364, 8125), (2500, 7683), (2561, 7500), (2955, 6500), (3250, 5910), (3750, 5122), (3900, 4925), (3940, 4875)]