213942160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 516966912

約数和(自身を除く): 303024752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 281, 307, 310, 496, 562, 614, 620, 1124, 1228, 1240, 1405, 1535, 2248, 2456, 2480, 2810, 3070, 4496, 4912, 5620, 6140, 8711, 9517, 11240, 12280, 17422, 19034, 22480, 24560, 34844, 38068, 43555, 47585, 69688, 76136, 86267, 87110, 95170, 139376, 152272, 172534, 174220, 190340, 345068, 348440, 380680, 431335, 690136, 696880, 761360, 862670, 1380272, 1725340, 2674277, 3450680, 5348554, 6901360, 10697108, 13371385, 21394216, 26742770, 42788432, 53485540, 106971080, 213942160]

約数ペア:

[(1, 213942160), (2, 106971080), (4, 53485540), (5, 42788432), (8, 26742770), (10, 21394216), (16, 13371385), (20, 10697108), (31, 6901360), (40, 5348554), (62, 3450680), (80, 2674277), (124, 1725340), (155, 1380272), (248, 862670), (281, 761360), (307, 696880), (310, 690136), (496, 431335), (562, 380680), (614, 348440), (620, 345068), (1124, 190340), (1228, 174220), (1240, 172534), (1405, 152272), (1535, 139376), (2248, 95170), (2456, 87110), (2480, 86267), (2810, 76136), (3070, 69688), (4496, 47585), (4912, 43555), (5620, 38068), (6140, 34844), (8711, 24560), (9517, 22480), (11240, 19034), (12280, 17422)]