666502330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1811}}^1$

素因数の和:1999

約数の個数: 64

約数和(自身を含む): 1369872000

約数和(自身を除く): 703369670

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 149, 190, 247, 298, 494, 745, 1235, 1490, 1811, 1937, 2470, 2831, 3622, 3874, 5662, 9055, 9685, 14155, 18110, 19370, 23543, 28310, 34409, 36803, 47086, 68818, 73606, 117715, 172045, 184015, 235430, 269839, 344090, 368030, 447317, 539678, 894634, 1349195, 2236585, 2698390, 3507907, 4473170, 5126941, 7015814, 10253882, 17539535, 25634705, 35079070, 51269410, 66650233, 133300466, 333251165, 666502330]

約数ペア:

[(1, 666502330), (2, 333251165), (5, 133300466), (10, 66650233), (13, 51269410), (19, 35079070), (26, 25634705), (38, 17539535), (65, 10253882), (95, 7015814), (130, 5126941), (149, 4473170), (190, 3507907), (247, 2698390), (298, 2236585), (494, 1349195), (745, 894634), (1235, 539678), (1490, 447317), (1811, 368030), (1937, 344090), (2470, 269839), (2831, 235430), (3622, 184015), (3874, 172045), (5662, 117715), (9055, 73606), (9685, 68818), (14155, 47086), (18110, 36803), (19370, 34409), (23543, 28310)]