5216490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 13689000

約数和(自身を除く): 8472510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149, 298, 389, 447, 745, 778, 894, 1167, 1341, 1490, 1945, 2235, 2334, 2682, 3501, 3890, 4470, 5835, 6705, 7002, 11670, 13410, 17505, 35010, 57961, 115922, 173883, 289805, 347766, 521649, 579610, 869415, 1043298, 1738830, 2608245, 5216490]

約数ペア:

[(1, 5216490), (2, 2608245), (3, 1738830), (5, 1043298), (6, 869415), (9, 579610), (10, 521649), (15, 347766), (18, 289805), (30, 173883), (45, 115922), (90, 57961), (149, 35010), (298, 17505), (389, 13410), (447, 11670), (745, 7002), (778, 6705), (894, 5835), (1167, 4470), (1341, 3890), (1490, 3501), (1945, 2682), (2235, 2334)]