285550760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10639}}^1$

素因数の和:10722

約数の個数: 64

約数和(自身を含む): 712454400

約数和(自身を除く): 426903640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 10639, 13420, 21278, 26840, 42556, 53195, 85112, 106390, 117029, 212780, 234058, 425560, 468116, 585145, 648979, 936232, 1170290, 1297958, 2340580, 2595916, 3244895, 4681160, 5191832, 6489790, 7138769, 12979580, 14277538, 25959160, 28555076, 35693845, 57110152, 71387690, 142775380, 285550760]

約数ペア:

[(1, 285550760), (2, 142775380), (4, 71387690), (5, 57110152), (8, 35693845), (10, 28555076), (11, 25959160), (20, 14277538), (22, 12979580), (40, 7138769), (44, 6489790), (55, 5191832), (61, 4681160), (88, 3244895), (110, 2595916), (122, 2340580), (220, 1297958), (244, 1170290), (305, 936232), (440, 648979), (488, 585145), (610, 468116), (671, 425560), (1220, 234058), (1342, 212780), (2440, 117029), (2684, 106390), (3355, 85112), (5368, 53195), (6710, 42556), (10639, 26840), (13420, 21278)]