487891120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4397}}^1$

素因数の和:4502

約数の個数: 80

約数和(自身を含む): 1210681440

約数和(自身を除く): 722790320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 292, 304, 365, 380, 584, 730, 760, 1168, 1387, 1460, 1520, 2774, 2920, 4397, 5548, 5840, 6935, 8794, 11096, 13870, 17588, 21985, 22192, 27740, 35176, 43970, 55480, 70352, 83543, 87940, 110960, 167086, 175880, 320981, 334172, 351760, 417715, 641962, 668344, 835430, 1283924, 1336688, 1604905, 1670860, 2567848, 3209810, 3341720, 5135696, 6098639, 6419620, 6683440, 12197278, 12839240, 24394556, 25678480, 30493195, 48789112, 60986390, 97578224, 121972780, 243945560, 487891120]

約数ペア:

[(1, 487891120), (2, 243945560), (4, 121972780), (5, 97578224), (8, 60986390), (10, 48789112), (16, 30493195), (19, 25678480), (20, 24394556), (38, 12839240), (40, 12197278), (73, 6683440), (76, 6419620), (80, 6098639), (95, 5135696), (146, 3341720), (152, 3209810), (190, 2567848), (292, 1670860), (304, 1604905), (365, 1336688), (380, 1283924), (584, 835430), (730, 668344), (760, 641962), (1168, 417715), (1387, 351760), (1460, 334172), (1520, 320981), (2774, 175880), (2920, 167086), (4397, 110960), (5548, 87940), (5840, 83543), (6935, 70352), (8794, 55480), (11096, 43970), (13870, 35176), (17588, 27740), (21985, 22192)]