749850320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2207}}^1$

素因数の和:2388

約数の個数: 80

約数和(自身を含む): 1813598208

約数和(自身を除く): 1063747888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 137, 155, 248, 274, 310, 496, 548, 620, 685, 1096, 1240, 1370, 2192, 2207, 2480, 2740, 4247, 4414, 5480, 8494, 8828, 10960, 11035, 16988, 17656, 21235, 22070, 33976, 35312, 42470, 44140, 67952, 68417, 84940, 88280, 136834, 169880, 176560, 273668, 302359, 339760, 342085, 547336, 604718, 684170, 1094672, 1209436, 1368340, 1511795, 2418872, 2736680, 3023590, 4837744, 5473360, 6047180, 9373129, 12094360, 18746258, 24188720, 37492516, 46865645, 74985032, 93731290, 149970064, 187462580, 374925160, 749850320]

約数ペア:

[(1, 749850320), (2, 374925160), (4, 187462580), (5, 149970064), (8, 93731290), (10, 74985032), (16, 46865645), (20, 37492516), (31, 24188720), (40, 18746258), (62, 12094360), (80, 9373129), (124, 6047180), (137, 5473360), (155, 4837744), (248, 3023590), (274, 2736680), (310, 2418872), (496, 1511795), (548, 1368340), (620, 1209436), (685, 1094672), (1096, 684170), (1240, 604718), (1370, 547336), (2192, 342085), (2207, 339760), (2480, 302359), (2740, 273668), (4247, 176560), (4414, 169880), (5480, 136834), (8494, 88280), (8828, 84940), (10960, 68417), (11035, 67952), (16988, 44140), (17656, 42470), (21235, 35312), (22070, 33976)]