209493040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4969}}^1$

素因数の和:5030

約数の個数: 80

約数和(自身を含む): 532465920

約数和(自身を除く): 322972880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 4969, 5270, 8432, 9938, 10540, 19876, 21080, 24845, 39752, 42160, 49690, 79504, 84473, 99380, 154039, 168946, 198760, 308078, 337892, 397520, 422365, 616156, 675784, 770195, 844730, 1232312, 1351568, 1540390, 1689460, 2464624, 2618663, 3080780, 3378920, 5237326, 6161560, 6757840, 10474652, 12323120, 13093315, 20949304, 26186630, 41898608, 52373260, 104746520, 209493040]

約数ペア:

[(1, 209493040), (2, 104746520), (4, 52373260), (5, 41898608), (8, 26186630), (10, 20949304), (16, 13093315), (17, 12323120), (20, 10474652), (31, 6757840), (34, 6161560), (40, 5237326), (62, 3378920), (68, 3080780), (80, 2618663), (85, 2464624), (124, 1689460), (136, 1540390), (155, 1351568), (170, 1232312), (248, 844730), (272, 770195), (310, 675784), (340, 616156), (496, 422365), (527, 397520), (620, 337892), (680, 308078), (1054, 198760), (1240, 168946), (1360, 154039), (2108, 99380), (2480, 84473), (2635, 79504), (4216, 49690), (4969, 42160), (5270, 39752), (8432, 24845), (9938, 21080), (10540, 19876)]