489303920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{1871}}^1$

素因数の和:2358

約数の個数: 80

約数和(自身を含む): 1303630848

約数和(自身を除く): 814326928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 467, 560, 934, 1868, 1871, 2335, 3269, 3736, 3742, 4670, 6538, 7472, 7484, 9340, 9355, 13076, 13097, 14968, 16345, 18680, 18710, 26152, 26194, 29936, 32690, 37360, 37420, 52304, 52388, 65380, 65485, 74840, 104776, 130760, 130970, 149680, 209552, 261520, 261940, 523880, 873757, 1047760, 1747514, 3495028, 4368785, 6116299, 6990056, 8737570, 12232598, 13980112, 17475140, 24465196, 30581495, 34950280, 48930392, 61162990, 69900560, 97860784, 122325980, 244651960, 489303920]

約数ペア:

[(1, 489303920), (2, 244651960), (4, 122325980), (5, 97860784), (7, 69900560), (8, 61162990), (10, 48930392), (14, 34950280), (16, 30581495), (20, 24465196), (28, 17475140), (35, 13980112), (40, 12232598), (56, 8737570), (70, 6990056), (80, 6116299), (112, 4368785), (140, 3495028), (280, 1747514), (467, 1047760), (560, 873757), (934, 523880), (1868, 261940), (1871, 261520), (2335, 209552), (3269, 149680), (3736, 130970), (3742, 130760), (4670, 104776), (6538, 74840), (7472, 65485), (7484, 65380), (9340, 52388), (9355, 52304), (13076, 37420), (13097, 37360), (14968, 32690), (16345, 29936), (18680, 26194), (18710, 26152)]