123651088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 278553600

約数和(自身を除く): 154902512

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 103, 152, 176, 206, 209, 304, 359, 412, 418, 718, 824, 836, 1133, 1436, 1648, 1672, 1957, 2266, 2872, 3344, 3914, 3949, 4532, 5744, 6821, 7828, 7898, 9064, 13642, 15656, 15796, 18128, 21527, 27284, 31312, 31592, 36977, 43054, 54568, 63184, 73954, 75031, 86108, 109136, 147908, 150062, 172216, 295816, 300124, 344432, 406747, 591632, 600248, 702563, 813494, 1200496, 1405126, 1626988, 2810252, 3253976, 5620504, 6507952, 7728193, 11241008, 15456386, 30912772, 61825544, 123651088]

約数ペア:

[(1, 123651088), (2, 61825544), (4, 30912772), (8, 15456386), (11, 11241008), (16, 7728193), (19, 6507952), (22, 5620504), (38, 3253976), (44, 2810252), (76, 1626988), (88, 1405126), (103, 1200496), (152, 813494), (176, 702563), (206, 600248), (209, 591632), (304, 406747), (359, 344432), (412, 300124), (418, 295816), (718, 172216), (824, 150062), (836, 147908), (1133, 109136), (1436, 86108), (1648, 75031), (1672, 73954), (1957, 63184), (2266, 54568), (2872, 43054), (3344, 36977), (3914, 31592), (3949, 31312), (4532, 27284), (5744, 21527), (6821, 18128), (7828, 15796), (7898, 15656), (9064, 13642)]