23739980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 57198960

約数和(自身を除く): 33458980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 61, 110, 116, 122, 145, 220, 244, 290, 305, 319, 580, 610, 638, 671, 1220, 1276, 1342, 1595, 1769, 2684, 3190, 3355, 3538, 3721, 6380, 6710, 7076, 7442, 8845, 13420, 14884, 17690, 18605, 19459, 35380, 37210, 38918, 40931, 74420, 77836, 81862, 97295, 107909, 163724, 194590, 204655, 215818, 389180, 409310, 431636, 539545, 818620, 1079090, 1186999, 2158180, 2373998, 4747996, 5934995, 11869990, 23739980]

約数ペア:

[(1, 23739980), (2, 11869990), (4, 5934995), (5, 4747996), (10, 2373998), (11, 2158180), (20, 1186999), (22, 1079090), (29, 818620), (44, 539545), (55, 431636), (58, 409310), (61, 389180), (110, 215818), (116, 204655), (122, 194590), (145, 163724), (220, 107909), (244, 97295), (290, 81862), (305, 77836), (319, 74420), (580, 40931), (610, 38918), (638, 37210), (671, 35380), (1220, 19459), (1276, 18605), (1342, 17690), (1595, 14884), (1769, 13420), (2684, 8845), (3190, 7442), (3355, 7076), (3538, 6710), (3721, 6380)]