3877900

素因数分解:

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

素因数の和:203

約数の個数: 72

約数和(自身を含む): 9600080

約数和(自身を除く): 5722180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 157, 190, 247, 260, 314, 325, 380, 475, 494, 628, 650, 785, 950, 988, 1235, 1300, 1570, 1900, 2041, 2470, 2983, 3140, 3925, 4082, 4940, 5966, 6175, 7850, 8164, 10205, 11932, 12350, 14915, 15700, 20410, 24700, 29830, 38779, 40820, 51025, 59660, 74575, 77558, 102050, 149150, 155116, 193895, 204100, 298300, 387790, 775580, 969475, 1938950, 3877900]

約数ペア:

[(1, 3877900), (2, 1938950), (4, 969475), (5, 775580), (10, 387790), (13, 298300), (19, 204100), (20, 193895), (25, 155116), (26, 149150), (38, 102050), (50, 77558), (52, 74575), (65, 59660), (76, 51025), (95, 40820), (100, 38779), (130, 29830), (157, 24700), (190, 20410), (247, 15700), (260, 14915), (314, 12350), (325, 11932), (380, 10205), (475, 8164), (494, 7850), (628, 6175), (650, 5966), (785, 4940), (950, 4082), (988, 3925), (1235, 3140), (1300, 2983), (1570, 2470), (1900, 2041)]