388889460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{2521}}^1$

素因数の和:3393

約数の個数: 72

約数和(自身を含む): 1181476296

約数和(自身を除く): 792586836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 857, 1714, 2521, 2571, 3428, 4285, 5042, 5142, 7563, 7713, 8570, 10084, 10284, 12605, 12855, 15126, 15426, 17140, 22689, 25210, 25710, 30252, 30852, 37815, 38565, 45378, 50420, 51420, 75630, 77130, 90756, 113445, 151260, 154260, 226890, 453780, 2160497, 4320994, 6481491, 8641988, 10802485, 12962982, 19444473, 21604970, 25925964, 32407455, 38888946, 43209940, 64814910, 77777892, 97222365, 129629820, 194444730, 388889460]

約数ペア:

[(1, 388889460), (2, 194444730), (3, 129629820), (4, 97222365), (5, 77777892), (6, 64814910), (9, 43209940), (10, 38888946), (12, 32407455), (15, 25925964), (18, 21604970), (20, 19444473), (30, 12962982), (36, 10802485), (45, 8641988), (60, 6481491), (90, 4320994), (180, 2160497), (857, 453780), (1714, 226890), (2521, 154260), (2571, 151260), (3428, 113445), (4285, 90756), (5042, 77130), (5142, 75630), (7563, 51420), (7713, 50420), (8570, 45378), (10084, 38565), (10284, 37815), (12605, 30852), (12855, 30252), (15126, 25710), (15426, 25210), (17140, 22689)]