20149202300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{17291}}^1$

素因数の和:17619

約数の個数: 72

約数和(自身を含む): 44908292352

約数和(自身を除く): 24759090052

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 271, 430, 542, 860, 1075, 1084, 1355, 2150, 2710, 4300, 5420, 6775, 11653, 13550, 17291, 23306, 27100, 34582, 46612, 58265, 69164, 86455, 116530, 172910, 233060, 291325, 345820, 432275, 582650, 743513, 864550, 1165300, 1487026, 1729100, 2974052, 3717565, 4685861, 7435130, 9371722, 14870260, 18587825, 18743444, 23429305, 37175650, 46858610, 74351300, 93717220, 117146525, 201492023, 234293050, 402984046, 468586100, 805968092, 1007460115, 2014920230, 4029840460, 5037300575, 10074601150, 20149202300]

約数ペア:

[(1, 20149202300), (2, 10074601150), (4, 5037300575), (5, 4029840460), (10, 2014920230), (20, 1007460115), (25, 805968092), (43, 468586100), (50, 402984046), (86, 234293050), (100, 201492023), (172, 117146525), (215, 93717220), (271, 74351300), (430, 46858610), (542, 37175650), (860, 23429305), (1075, 18743444), (1084, 18587825), (1355, 14870260), (2150, 9371722), (2710, 7435130), (4300, 4685861), (5420, 3717565), (6775, 2974052), (11653, 1729100), (13550, 1487026), (17291, 1165300), (23306, 864550), (27100, 743513), (34582, 582650), (46612, 432275), (58265, 345820), (69164, 291325), (86455, 233060), (116530, 172910)]