388872156980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1\times {\mathrm{161009}}^1$

素因数の和:161828

約数の個数: 48

約数和(自身を含む): 822120924240

約数和(自身を除く): 433248767260

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 613, 788, 985, 1226, 1970, 2452, 3065, 3940, 6130, 12260, 120761, 161009, 241522, 322018, 483044, 603805, 644036, 805045, 1207610, 1610090, 2415220, 3220180, 31718773, 63437546, 98698517, 126875092, 158593865, 197397034, 317187730, 394794068, 493492585, 634375460, 986985170, 1973970340, 19443607849, 38887215698, 77774431396, 97218039245, 194436078490, 388872156980]

約数ペア:

[(1, 388872156980), (2, 194436078490), (4, 97218039245), (5, 77774431396), (10, 38887215698), (20, 19443607849), (197, 1973970340), (394, 986985170), (613, 634375460), (788, 493492585), (985, 394794068), (1226, 317187730), (1970, 197397034), (2452, 158593865), (3065, 126875092), (3940, 98698517), (6130, 63437546), (12260, 31718773), (120761, 3220180), (161009, 2415220), (241522, 1610090), (322018, 1207610), (483044, 805045), (603805, 644036)]