15650140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 37537920

約数和(自身を除く): 21887780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 223, 242, 290, 319, 446, 484, 580, 605, 638, 892, 1115, 1210, 1276, 1595, 2230, 2420, 2453, 3190, 3509, 4460, 4906, 6380, 6467, 7018, 9812, 12265, 12934, 14036, 17545, 24530, 25868, 26983, 32335, 35090, 49060, 53966, 64670, 70180, 71137, 107932, 129340, 134915, 142274, 269830, 284548, 355685, 539660, 711370, 782507, 1422740, 1565014, 3130028, 3912535, 7825070, 15650140]

約数ペア:

[(1, 15650140), (2, 7825070), (4, 3912535), (5, 3130028), (10, 1565014), (11, 1422740), (20, 782507), (22, 711370), (29, 539660), (44, 355685), (55, 284548), (58, 269830), (110, 142274), (116, 134915), (121, 129340), (145, 107932), (220, 71137), (223, 70180), (242, 64670), (290, 53966), (319, 49060), (446, 35090), (484, 32335), (580, 26983), (605, 25868), (638, 24530), (892, 17545), (1115, 14036), (1210, 12934), (1276, 12265), (1595, 9812), (2230, 7018), (2420, 6467), (2453, 6380), (3190, 4906), (3509, 4460)]