12399400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 32810400

約数和(自身を除く): 20411000

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 251, 260, 325, 380, 475, 494, 502, 520, 650, 760, 950, 988, 1004, 1235, 1255, 1300, 1900, 1976, 2008, 2470, 2510, 2600, 3263, 3800, 4769, 4940, 5020, 6175, 6275, 6526, 9538, 9880, 10040, 12350, 12550, 13052, 16315, 19076, 23845, 24700, 25100, 26104, 32630, 38152, 47690, 49400, 50200, 61997, 65260, 81575, 95380, 119225, 123994, 130520, 163150, 190760, 238450, 247988, 309985, 326300, 476900, 495976, 619970, 652600, 953800, 1239940, 1549925, 2479880, 3099850, 6199700, 12399400]

約数ペア:

[(1, 12399400), (2, 6199700), (4, 3099850), (5, 2479880), (8, 1549925), (10, 1239940), (13, 953800), (19, 652600), (20, 619970), (25, 495976), (26, 476900), (38, 326300), (40, 309985), (50, 247988), (52, 238450), (65, 190760), (76, 163150), (95, 130520), (100, 123994), (104, 119225), (130, 95380), (152, 81575), (190, 65260), (200, 61997), (247, 50200), (251, 49400), (260, 47690), (325, 38152), (380, 32630), (475, 26104), (494, 25100), (502, 24700), (520, 23845), (650, 19076), (760, 16315), (950, 13052), (988, 12550), (1004, 12350), (1235, 10040), (1255, 9880), (1300, 9538), (1900, 6526), (1976, 6275), (2008, 6175), (2470, 5020), (2510, 4940), (2600, 4769), (3263, 3800)]