220944440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 548536320

約数和(自身を除く): 327591880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 61, 62, 92, 115, 122, 124, 127, 155, 184, 230, 244, 248, 254, 305, 310, 460, 488, 508, 610, 620, 635, 713, 920, 1016, 1220, 1240, 1270, 1403, 1426, 1891, 2440, 2540, 2806, 2852, 2921, 3565, 3782, 3937, 5080, 5612, 5704, 5842, 7015, 7130, 7564, 7747, 7874, 9455, 11224, 11684, 14030, 14260, 14605, 15128, 15494, 15748, 18910, 19685, 23368, 28060, 28520, 29210, 30988, 31496, 37820, 38735, 39370, 43493, 56120, 58420, 61976, 75640, 77470, 78740, 86986, 90551, 116840, 154940, 157480, 173972, 178181, 181102, 217465, 240157, 309880, 347944, 356362, 362204, 434930, 452755, 480314, 712724, 724408, 869860, 890905, 905510, 960628, 1200785, 1425448, 1739720, 1781810, 1811020, 1921256, 2401570, 3563620, 3622040, 4803140, 5523611, 7127240, 9606280, 11047222, 22094444, 27618055, 44188888, 55236110, 110472220, 220944440]

約数ペア:

[(1, 220944440), (2, 110472220), (4, 55236110), (5, 44188888), (8, 27618055), (10, 22094444), (20, 11047222), (23, 9606280), (31, 7127240), (40, 5523611), (46, 4803140), (61, 3622040), (62, 3563620), (92, 2401570), (115, 1921256), (122, 1811020), (124, 1781810), (127, 1739720), (155, 1425448), (184, 1200785), (230, 960628), (244, 905510), (248, 890905), (254, 869860), (305, 724408), (310, 712724), (460, 480314), (488, 452755), (508, 434930), (610, 362204), (620, 356362), (635, 347944), (713, 309880), (920, 240157), (1016, 217465), (1220, 181102), (1240, 178181), (1270, 173972), (1403, 157480), (1426, 154940), (1891, 116840), (2440, 90551), (2540, 86986), (2806, 78740), (2852, 77470), (2921, 75640), (3565, 61976), (3782, 58420), (3937, 56120), (5080, 43493), (5612, 39370), (5704, 38735), (5842, 37820), (7015, 31496), (7130, 30988), (7564, 29210), (7747, 28520), (7874, 28060), (9455, 23368), (11224, 19685), (11684, 18910), (14030, 15748), (14260, 15494), (14605, 15128)]