40889420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 110623968

約数和(自身を除く): 69734548

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 29, 34, 44, 52, 55, 58, 65, 68, 85, 110, 116, 130, 143, 145, 170, 187, 220, 221, 260, 286, 290, 319, 340, 374, 377, 442, 493, 572, 580, 638, 715, 748, 754, 841, 884, 935, 986, 1105, 1276, 1430, 1508, 1595, 1682, 1870, 1885, 1972, 2210, 2431, 2465, 2860, 3190, 3364, 3740, 3770, 4147, 4205, 4420, 4862, 4930, 5423, 6380, 6409, 7540, 8294, 8410, 9251, 9724, 9860, 10846, 10933, 12155, 12818, 14297, 16588, 16820, 18502, 20735, 21692, 21866, 24310, 25636, 27115, 28594, 32045, 37004, 41470, 43732, 46255, 48620, 54230, 54665, 57188, 64090, 70499, 71485, 82940, 92510, 108460, 109330, 120263, 128180, 140998, 142970, 157267, 185020, 185861, 218660, 240526, 281996, 285940, 314534, 352495, 371722, 481052, 601315, 629068, 704990, 743444, 786335, 929305, 1202630, 1409980, 1572670, 1858610, 2044471, 2405260, 3145340, 3717220, 4088942, 8177884, 10222355, 20444710, 40889420]

約数ペア:

[(1, 40889420), (2, 20444710), (4, 10222355), (5, 8177884), (10, 4088942), (11, 3717220), (13, 3145340), (17, 2405260), (20, 2044471), (22, 1858610), (26, 1572670), (29, 1409980), (34, 1202630), (44, 929305), (52, 786335), (55, 743444), (58, 704990), (65, 629068), (68, 601315), (85, 481052), (110, 371722), (116, 352495), (130, 314534), (143, 285940), (145, 281996), (170, 240526), (187, 218660), (220, 185861), (221, 185020), (260, 157267), (286, 142970), (290, 140998), (319, 128180), (340, 120263), (374, 109330), (377, 108460), (442, 92510), (493, 82940), (572, 71485), (580, 70499), (638, 64090), (715, 57188), (748, 54665), (754, 54230), (841, 48620), (884, 46255), (935, 43732), (986, 41470), (1105, 37004), (1276, 32045), (1430, 28594), (1508, 27115), (1595, 25636), (1682, 24310), (1870, 21866), (1885, 21692), (1972, 20735), (2210, 18502), (2431, 16820), (2465, 16588), (2860, 14297), (3190, 12818), (3364, 12155), (3740, 10933), (3770, 10846), (4147, 9860), (4205, 9724), (4420, 9251), (4862, 8410), (4930, 8294), (5423, 7540), (6380, 6409)]