893490680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{15331}}^1$

素因数の和:15420

約数の個数: 64

約数和(自身を含む): 2119495680

約数和(自身を除く): 1226005000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2914, 5828, 7285, 11656, 14570, 15331, 29140, 30662, 58280, 61324, 76655, 122648, 153310, 306620, 475261, 613240, 720557, 950522, 1441114, 1901044, 2376305, 2882228, 3602785, 3802088, 4752610, 5764456, 7205570, 9505220, 14411140, 19010440, 22337267, 28822280, 44674534, 89349068, 111686335, 178698136, 223372670, 446745340, 893490680]

約数ペア:

[(1, 893490680), (2, 446745340), (4, 223372670), (5, 178698136), (8, 111686335), (10, 89349068), (20, 44674534), (31, 28822280), (40, 22337267), (47, 19010440), (62, 14411140), (94, 9505220), (124, 7205570), (155, 5764456), (188, 4752610), (235, 3802088), (248, 3602785), (310, 2882228), (376, 2376305), (470, 1901044), (620, 1441114), (940, 950522), (1240, 720557), (1457, 613240), (1880, 475261), (2914, 306620), (5828, 153310), (7285, 122648), (11656, 76655), (14570, 61324), (15331, 58280), (29140, 30662)]