312563580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{744199}}^1$

素因数の和:744218

約数の個数: 48

約数和(自身を含む): 1000204800

約数和(自身を除く): 687641220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 744199, 1488398, 2232597, 2976796, 3720995, 4465194, 5209393, 7441990, 8930388, 10418786, 11162985, 14883980, 15628179, 20837572, 22325970, 26046965, 31256358, 44651940, 52093930, 62512716, 78140895, 104187860, 156281790, 312563580]

約数ペア:

[(1, 312563580), (2, 156281790), (3, 104187860), (4, 78140895), (5, 62512716), (6, 52093930), (7, 44651940), (10, 31256358), (12, 26046965), (14, 22325970), (15, 20837572), (20, 15628179), (21, 14883980), (28, 11162985), (30, 10418786), (35, 8930388), (42, 7441990), (60, 5209393), (70, 4465194), (84, 3720995), (105, 2976796), (140, 2232597), (210, 1488398), (420, 744199)]