408034490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 788520960

約数和(自身を除く): 380486470

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 127, 229, 230, 254, 305, 458, 610, 635, 1145, 1270, 1403, 2290, 2806, 2921, 5267, 5842, 7015, 7747, 10534, 13969, 14030, 14605, 15494, 26335, 27938, 29083, 29210, 38735, 52670, 58166, 69845, 77470, 139690, 145415, 178181, 290830, 321287, 356362, 642574, 668909, 890905, 1337818, 1606435, 1774063, 1781810, 3212870, 3344545, 3548126, 6689090, 8870315, 17740630, 40803449, 81606898, 204017245, 408034490]

約数ペア:

[(1, 408034490), (2, 204017245), (5, 81606898), (10, 40803449), (23, 17740630), (46, 8870315), (61, 6689090), (115, 3548126), (122, 3344545), (127, 3212870), (229, 1781810), (230, 1774063), (254, 1606435), (305, 1337818), (458, 890905), (610, 668909), (635, 642574), (1145, 356362), (1270, 321287), (1403, 290830), (2290, 178181), (2806, 145415), (2921, 139690), (5267, 77470), (5842, 69845), (7015, 58166), (7747, 52670), (10534, 38735), (13969, 29210), (14030, 29083), (14605, 27938), (15494, 26335)]