421321360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3881}}^1$

素因数の和:3976

約数の個数: 80

約数和(自身を含む): 1039754880

約数和(自身を除く): 618433520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 59, 80, 92, 115, 118, 184, 230, 236, 295, 368, 460, 472, 590, 920, 944, 1180, 1357, 1840, 2360, 2714, 3881, 4720, 5428, 6785, 7762, 10856, 13570, 15524, 19405, 21712, 27140, 31048, 38810, 54280, 62096, 77620, 89263, 108560, 155240, 178526, 228979, 310480, 357052, 446315, 457958, 714104, 892630, 915916, 1144895, 1428208, 1785260, 1831832, 2289790, 3570520, 3663664, 4579580, 5266517, 7141040, 9159160, 10533034, 18318320, 21066068, 26332585, 42132136, 52665170, 84264272, 105330340, 210660680, 421321360]

約数ペア:

[(1, 421321360), (2, 210660680), (4, 105330340), (5, 84264272), (8, 52665170), (10, 42132136), (16, 26332585), (20, 21066068), (23, 18318320), (40, 10533034), (46, 9159160), (59, 7141040), (80, 5266517), (92, 4579580), (115, 3663664), (118, 3570520), (184, 2289790), (230, 1831832), (236, 1785260), (295, 1428208), (368, 1144895), (460, 915916), (472, 892630), (590, 714104), (920, 457958), (944, 446315), (1180, 357052), (1357, 310480), (1840, 228979), (2360, 178526), (2714, 155240), (3881, 108560), (4720, 89263), (5428, 77620), (6785, 62096), (7762, 54280), (10856, 38810), (13570, 31048), (15524, 27140), (19405, 21712)]