217307560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 524637000

約数和(自身を除く): 307329440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 149, 152, 190, 202, 298, 361, 380, 404, 505, 596, 722, 745, 760, 808, 1010, 1192, 1444, 1490, 1805, 1919, 2020, 2831, 2888, 2980, 3610, 3838, 4040, 5662, 5960, 7220, 7676, 9595, 11324, 14155, 14440, 15049, 15352, 19190, 22648, 28310, 30098, 36461, 38380, 53789, 56620, 60196, 72922, 75245, 76760, 107578, 113240, 120392, 145844, 150490, 182305, 215156, 268945, 285931, 291688, 300980, 364610, 430312, 537890, 571862, 601960, 729220, 1075780, 1143724, 1429655, 1458440, 2151560, 2287448, 2859310, 5432689, 5718620, 10865378, 11437240, 21730756, 27163445, 43461512, 54326890, 108653780, 217307560]

約数ペア:

[(1, 217307560), (2, 108653780), (4, 54326890), (5, 43461512), (8, 27163445), (10, 21730756), (19, 11437240), (20, 10865378), (38, 5718620), (40, 5432689), (76, 2859310), (95, 2287448), (101, 2151560), (149, 1458440), (152, 1429655), (190, 1143724), (202, 1075780), (298, 729220), (361, 601960), (380, 571862), (404, 537890), (505, 430312), (596, 364610), (722, 300980), (745, 291688), (760, 285931), (808, 268945), (1010, 215156), (1192, 182305), (1444, 150490), (1490, 145844), (1805, 120392), (1919, 113240), (2020, 107578), (2831, 76760), (2888, 75245), (2980, 72922), (3610, 60196), (3838, 56620), (4040, 53789), (5662, 38380), (5960, 36461), (7220, 30098), (7676, 28310), (9595, 22648), (11324, 19190), (14155, 15352), (14440, 15049)]