71939320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{919}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 172224000

約数和(自身を除く): 100284680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 206, 380, 412, 515, 760, 824, 919, 1030, 1838, 1957, 2060, 3676, 3914, 4120, 4595, 7352, 7828, 9190, 9785, 15656, 17461, 18380, 19570, 34922, 36760, 39140, 69844, 78280, 87305, 94657, 139688, 174610, 189314, 349220, 378628, 473285, 698440, 757256, 946570, 1798483, 1893140, 3596966, 3786280, 7193932, 8992415, 14387864, 17984830, 35969660, 71939320]

約数ペア:

[(1, 71939320), (2, 35969660), (4, 17984830), (5, 14387864), (8, 8992415), (10, 7193932), (19, 3786280), (20, 3596966), (38, 1893140), (40, 1798483), (76, 946570), (95, 757256), (103, 698440), (152, 473285), (190, 378628), (206, 349220), (380, 189314), (412, 174610), (515, 139688), (760, 94657), (824, 87305), (919, 78280), (1030, 69844), (1838, 39140), (1957, 36760), (2060, 34922), (3676, 19570), (3914, 18380), (4120, 17461), (4595, 15656), (7352, 9785), (7828, 9190)]