38779000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 103521600

約数和(自身を除く): 64742600

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 125, 130, 152, 157, 190, 200, 247, 250, 260, 314, 325, 380, 475, 494, 500, 520, 628, 650, 760, 785, 950, 988, 1000, 1235, 1256, 1300, 1570, 1625, 1900, 1976, 2041, 2375, 2470, 2600, 2983, 3140, 3250, 3800, 3925, 4082, 4750, 4940, 5966, 6175, 6280, 6500, 7850, 8164, 9500, 9880, 10205, 11932, 12350, 13000, 14915, 15700, 16328, 19000, 19625, 20410, 23864, 24700, 29830, 30875, 31400, 38779, 39250, 40820, 49400, 51025, 59660, 61750, 74575, 77558, 78500, 81640, 102050, 119320, 123500, 149150, 155116, 157000, 193895, 204100, 247000, 255125, 298300, 310232, 372875, 387790, 408200, 510250, 596600, 745750, 775580, 969475, 1020500, 1491500, 1551160, 1938950, 2041000, 2983000, 3877900, 4847375, 7755800, 9694750, 19389500, 38779000]

約数ペア:

[(1, 38779000), (2, 19389500), (4, 9694750), (5, 7755800), (8, 4847375), (10, 3877900), (13, 2983000), (19, 2041000), (20, 1938950), (25, 1551160), (26, 1491500), (38, 1020500), (40, 969475), (50, 775580), (52, 745750), (65, 596600), (76, 510250), (95, 408200), (100, 387790), (104, 372875), (125, 310232), (130, 298300), (152, 255125), (157, 247000), (190, 204100), (200, 193895), (247, 157000), (250, 155116), (260, 149150), (314, 123500), (325, 119320), (380, 102050), (475, 81640), (494, 78500), (500, 77558), (520, 74575), (628, 61750), (650, 59660), (760, 51025), (785, 49400), (950, 40820), (988, 39250), (1000, 38779), (1235, 31400), (1256, 30875), (1300, 29830), (1570, 24700), (1625, 23864), (1900, 20410), (1976, 19625), (2041, 19000), (2375, 16328), (2470, 15700), (2600, 14915), (2983, 13000), (3140, 12350), (3250, 11932), (3800, 10205), (3925, 9880), (4082, 9500), (4750, 8164), (4940, 7850), (5966, 6500), (6175, 6280)]