221837240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 536220000

約数和(自身を除く): 314382760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 199, 232, 248, 290, 310, 398, 580, 620, 796, 899, 961, 995, 1160, 1240, 1592, 1798, 1922, 1990, 3596, 3844, 3980, 4495, 4805, 5771, 6169, 7192, 7688, 7960, 8990, 9610, 11542, 12338, 17980, 19220, 23084, 24676, 27869, 28855, 30845, 35960, 38440, 46168, 49352, 55738, 57710, 61690, 111476, 115420, 123380, 139345, 178901, 191239, 222952, 230840, 246760, 278690, 357802, 382478, 557380, 715604, 764956, 894505, 956195, 1114760, 1431208, 1529912, 1789010, 1912390, 3578020, 3824780, 5545931, 7156040, 7649560, 11091862, 22183724, 27729655, 44367448, 55459310, 110918620, 221837240]

約数ペア:

[(1, 221837240), (2, 110918620), (4, 55459310), (5, 44367448), (8, 27729655), (10, 22183724), (20, 11091862), (29, 7649560), (31, 7156040), (40, 5545931), (58, 3824780), (62, 3578020), (116, 1912390), (124, 1789010), (145, 1529912), (155, 1431208), (199, 1114760), (232, 956195), (248, 894505), (290, 764956), (310, 715604), (398, 557380), (580, 382478), (620, 357802), (796, 278690), (899, 246760), (961, 230840), (995, 222952), (1160, 191239), (1240, 178901), (1592, 139345), (1798, 123380), (1922, 115420), (1990, 111476), (3596, 61690), (3844, 57710), (3980, 55738), (4495, 49352), (4805, 46168), (5771, 38440), (6169, 35960), (7192, 30845), (7688, 28855), (7960, 27869), (8990, 24676), (9610, 23084), (11542, 19220), (12338, 17980)]