399000390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{4639}}^1$

素因数の和:4757

約数の個数: 64

約数和(自身を含む): 994222080

約数和(自身を除く): 595221690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 61, 94, 122, 141, 183, 235, 282, 305, 366, 470, 610, 705, 915, 1410, 1830, 2867, 4639, 5734, 8601, 9278, 13917, 14335, 17202, 23195, 27834, 28670, 43005, 46390, 69585, 86010, 139170, 218033, 282979, 436066, 565958, 654099, 848937, 1090165, 1308198, 1414895, 1697874, 2180330, 2829790, 3270495, 4244685, 6540990, 8489370, 13300013, 26600026, 39900039, 66500065, 79800078, 133000130, 199500195, 399000390]

約数ペア:

[(1, 399000390), (2, 199500195), (3, 133000130), (5, 79800078), (6, 66500065), (10, 39900039), (15, 26600026), (30, 13300013), (47, 8489370), (61, 6540990), (94, 4244685), (122, 3270495), (141, 2829790), (183, 2180330), (235, 1697874), (282, 1414895), (305, 1308198), (366, 1090165), (470, 848937), (610, 654099), (705, 565958), (915, 436066), (1410, 282979), (1830, 218033), (2867, 139170), (4639, 86010), (5734, 69585), (8601, 46390), (9278, 43005), (13917, 28670), (14335, 27834), (17202, 23195)]