281513320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2677}}^1$

素因数の和:2938

約数の個数: 64

約数和(自身を含む): 694137600

約数和(自身を除く): 412624280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 239, 440, 478, 956, 1195, 1912, 2390, 2629, 2677, 4780, 5258, 5354, 9560, 10516, 10708, 13145, 13385, 21032, 21416, 26290, 26770, 29447, 52580, 53540, 58894, 105160, 107080, 117788, 147235, 235576, 294470, 588940, 639803, 1177880, 1279606, 2559212, 3199015, 5118424, 6398030, 7037833, 12796060, 14075666, 25592120, 28151332, 35189165, 56302664, 70378330, 140756660, 281513320]

約数ペア:

[(1, 281513320), (2, 140756660), (4, 70378330), (5, 56302664), (8, 35189165), (10, 28151332), (11, 25592120), (20, 14075666), (22, 12796060), (40, 7037833), (44, 6398030), (55, 5118424), (88, 3199015), (110, 2559212), (220, 1279606), (239, 1177880), (440, 639803), (478, 588940), (956, 294470), (1195, 235576), (1912, 147235), (2390, 117788), (2629, 107080), (2677, 105160), (4780, 58894), (5258, 53540), (5354, 52580), (9560, 29447), (10516, 26770), (10708, 26290), (13145, 21416), (13385, 21032)]