253185680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9281}}^1$

素因数の和:9336

約数の個数: 80

約数和(自身を含む): 662957568

約数和(自身を除く): 409771888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 9281, 13640, 18562, 27280, 37124, 46405, 74248, 92810, 102091, 148496, 185620, 204182, 287711, 371240, 408364, 510455, 575422, 742480, 816728, 1020910, 1150844, 1438555, 1633456, 2041820, 2301688, 2877110, 3164821, 4083640, 4603376, 5754220, 6329642, 8167280, 11508440, 12659284, 15824105, 23016880, 25318568, 31648210, 50637136, 63296420, 126592840, 253185680]

約数ペア:

[(1, 253185680), (2, 126592840), (4, 63296420), (5, 50637136), (8, 31648210), (10, 25318568), (11, 23016880), (16, 15824105), (20, 12659284), (22, 11508440), (31, 8167280), (40, 6329642), (44, 5754220), (55, 4603376), (62, 4083640), (80, 3164821), (88, 2877110), (110, 2301688), (124, 2041820), (155, 1633456), (176, 1438555), (220, 1150844), (248, 1020910), (310, 816728), (341, 742480), (440, 575422), (496, 510455), (620, 408364), (682, 371240), (880, 287711), (1240, 204182), (1364, 185620), (1705, 148496), (2480, 102091), (2728, 92810), (3410, 74248), (5456, 46405), (6820, 37124), (9281, 27280), (13640, 18562)]