90981044

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2269

約数の個数: 72

約数和(自身を含む): 212778720

約数和(自身を除く): 121797676

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 836, 931, 1078, 1463, 1862, 2156, 2221, 2926, 3724, 4442, 5852, 8884, 10241, 15547, 20482, 24431, 31094, 40964, 42199, 48862, 62188, 84398, 97724, 108829, 168796, 171017, 217658, 295393, 342034, 435316, 464189, 590786, 684068, 928378, 1181572, 1197119, 1856756, 2067751, 2394238, 3249323, 4135502, 4788476, 6498646, 8271004, 12997292, 22745261, 45490522, 90981044]

約数ペア:

[(1, 90981044), (2, 45490522), (4, 22745261), (7, 12997292), (11, 8271004), (14, 6498646), (19, 4788476), (22, 4135502), (28, 3249323), (38, 2394238), (44, 2067751), (49, 1856756), (76, 1197119), (77, 1181572), (98, 928378), (133, 684068), (154, 590786), (196, 464189), (209, 435316), (266, 342034), (308, 295393), (418, 217658), (532, 171017), (539, 168796), (836, 108829), (931, 97724), (1078, 84398), (1463, 62188), (1862, 48862), (2156, 42199), (2221, 40964), (2926, 31094), (3724, 24431), (4442, 20482), (5852, 15547), (8884, 10241)]