8223990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 21012480

約数和(自身を除く): 12788490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 239, 310, 370, 465, 478, 555, 717, 930, 1110, 1147, 1195, 1434, 2294, 2390, 3441, 3585, 5735, 6882, 7170, 7409, 8843, 11470, 14818, 17205, 17686, 22227, 26529, 34410, 37045, 44215, 44454, 53058, 74090, 88430, 111135, 132645, 222270, 265290, 274133, 548266, 822399, 1370665, 1644798, 2741330, 4111995, 8223990]

約数ペア:

[(1, 8223990), (2, 4111995), (3, 2741330), (5, 1644798), (6, 1370665), (10, 822399), (15, 548266), (30, 274133), (31, 265290), (37, 222270), (62, 132645), (74, 111135), (93, 88430), (111, 74090), (155, 53058), (185, 44454), (186, 44215), (222, 37045), (239, 34410), (310, 26529), (370, 22227), (465, 17686), (478, 17205), (555, 14818), (717, 11470), (930, 8843), (1110, 7409), (1147, 7170), (1195, 6882), (1434, 5735), (2294, 3585), (2390, 3441)]