784107440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1831}}^1$

素因数の和:1998

約数の個数: 80

約数和(自身を含む): 1876862016

約数和(自身を除く): 1092754576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 101, 106, 202, 212, 265, 404, 424, 505, 530, 808, 848, 1010, 1060, 1616, 1831, 2020, 2120, 3662, 4040, 4240, 5353, 7324, 8080, 9155, 10706, 14648, 18310, 21412, 26765, 29296, 36620, 42824, 53530, 73240, 85648, 97043, 107060, 146480, 184931, 194086, 214120, 369862, 388172, 428240, 485215, 739724, 776344, 924655, 970430, 1479448, 1552688, 1849310, 1940860, 2958896, 3698620, 3881720, 7397240, 7763440, 9801343, 14794480, 19602686, 39205372, 49006715, 78410744, 98013430, 156821488, 196026860, 392053720, 784107440]

約数ペア:

[(1, 784107440), (2, 392053720), (4, 196026860), (5, 156821488), (8, 98013430), (10, 78410744), (16, 49006715), (20, 39205372), (40, 19602686), (53, 14794480), (80, 9801343), (101, 7763440), (106, 7397240), (202, 3881720), (212, 3698620), (265, 2958896), (404, 1940860), (424, 1849310), (505, 1552688), (530, 1479448), (808, 970430), (848, 924655), (1010, 776344), (1060, 739724), (1616, 485215), (1831, 428240), (2020, 388172), (2120, 369862), (3662, 214120), (4040, 194086), (4240, 184931), (5353, 146480), (7324, 107060), (8080, 97043), (9155, 85648), (10706, 73240), (14648, 53530), (18310, 42824), (21412, 36620), (26765, 29296)]