90139420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 239016960

約数和(自身を除く): 148877540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 49, 70, 76, 94, 95, 98, 103, 133, 140, 188, 190, 196, 206, 235, 245, 266, 329, 380, 412, 470, 490, 515, 532, 658, 665, 721, 893, 931, 940, 980, 1030, 1316, 1330, 1442, 1645, 1786, 1862, 1957, 2060, 2303, 2660, 2884, 3290, 3572, 3605, 3724, 3914, 4465, 4606, 4655, 4841, 5047, 6251, 6580, 7210, 7828, 8930, 9212, 9310, 9682, 9785, 10094, 11515, 12502, 13699, 14420, 17860, 18620, 19364, 19570, 20188, 23030, 24205, 25004, 25235, 27398, 31255, 33887, 39140, 43757, 46060, 48410, 50470, 54796, 62510, 67774, 68495, 87514, 91979, 95893, 96820, 100940, 125020, 135548, 136990, 169435, 175028, 183958, 191786, 218785, 237209, 273980, 338870, 367916, 383572, 437570, 459895, 474418, 479465, 643853, 677740, 875140, 919790, 948836, 958930, 1186045, 1287706, 1839580, 1917860, 2372090, 2575412, 3219265, 4506971, 4744180, 6438530, 9013942, 12877060, 18027884, 22534855, 45069710, 90139420]

約数ペア:

[(1, 90139420), (2, 45069710), (4, 22534855), (5, 18027884), (7, 12877060), (10, 9013942), (14, 6438530), (19, 4744180), (20, 4506971), (28, 3219265), (35, 2575412), (38, 2372090), (47, 1917860), (49, 1839580), (70, 1287706), (76, 1186045), (94, 958930), (95, 948836), (98, 919790), (103, 875140), (133, 677740), (140, 643853), (188, 479465), (190, 474418), (196, 459895), (206, 437570), (235, 383572), (245, 367916), (266, 338870), (329, 273980), (380, 237209), (412, 218785), (470, 191786), (490, 183958), (515, 175028), (532, 169435), (658, 136990), (665, 135548), (721, 125020), (893, 100940), (931, 96820), (940, 95893), (980, 91979), (1030, 87514), (1316, 68495), (1330, 67774), (1442, 62510), (1645, 54796), (1786, 50470), (1862, 48410), (1957, 46060), (2060, 43757), (2303, 39140), (2660, 33887), (2884, 31255), (3290, 27398), (3572, 25235), (3605, 25004), (3724, 24205), (3914, 23030), (4465, 20188), (4606, 19570), (4655, 19364), (4841, 18620), (5047, 17860), (6251, 14420), (6580, 13699), (7210, 12502), (7828, 11515), (8930, 10094), (9212, 9785), (9310, 9682)]