211633280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10667}}^1$

素因数の和:10717

約数の個数: 64

約数和(自身を含む): 522305280

約数和(自身を除く): 310672000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10667, 19840, 21334, 42668, 53335, 85336, 106670, 170672, 213340, 330677, 341344, 426680, 661354, 682688, 853360, 1322708, 1365376, 1653385, 1706720, 2645416, 3306770, 3413440, 5290832, 6613540, 6826880, 10581664, 13227080, 21163328, 26454160, 42326656, 52908320, 105816640, 211633280]

約数ペア:

[(1, 211633280), (2, 105816640), (4, 52908320), (5, 42326656), (8, 26454160), (10, 21163328), (16, 13227080), (20, 10581664), (31, 6826880), (32, 6613540), (40, 5290832), (62, 3413440), (64, 3306770), (80, 2645416), (124, 1706720), (128, 1653385), (155, 1365376), (160, 1322708), (248, 853360), (310, 682688), (320, 661354), (496, 426680), (620, 341344), (640, 330677), (992, 213340), (1240, 170672), (1984, 106670), (2480, 85336), (3968, 53335), (4960, 42668), (9920, 21334), (10667, 19840)]