210512830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 425062080

約数和(自身を除く): 214549250

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 137, 229, 274, 305, 458, 610, 671, 685, 1145, 1342, 1370, 1507, 2290, 2519, 3014, 3355, 5038, 6710, 7535, 8357, 12595, 13969, 15070, 16714, 25190, 27938, 31373, 41785, 62746, 69845, 83570, 91927, 139690, 153659, 156865, 183854, 307318, 313730, 345103, 459635, 690206, 768295, 919270, 1536590, 1725515, 1913753, 3451030, 3827506, 9568765, 19137530, 21051283, 42102566, 105256415, 210512830]

約数ペア:

[(1, 210512830), (2, 105256415), (5, 42102566), (10, 21051283), (11, 19137530), (22, 9568765), (55, 3827506), (61, 3451030), (110, 1913753), (122, 1725515), (137, 1536590), (229, 919270), (274, 768295), (305, 690206), (458, 459635), (610, 345103), (671, 313730), (685, 307318), (1145, 183854), (1342, 156865), (1370, 153659), (1507, 139690), (2290, 91927), (2519, 83570), (3014, 69845), (3355, 62746), (5038, 41785), (6710, 31373), (7535, 27938), (8357, 25190), (12595, 16714), (13969, 15070)]