1437974780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^2$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 3343621680

約数和(自身を除く): 1905646900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 271, 356, 445, 542, 890, 979, 1084, 1355, 1780, 1958, 2710, 2981, 3916, 4895, 5420, 5962, 9790, 11924, 14905, 19580, 24119, 29810, 48238, 59620, 73441, 96476, 120595, 146882, 241190, 265309, 293764, 367205, 482380, 530618, 734410, 807851, 1061236, 1326545, 1468820, 1615702, 2653090, 3231404, 4039255, 5306180, 6536249, 8078510, 13072498, 16157020, 26144996, 32681245, 65362490, 71898739, 130724980, 143797478, 287594956, 359493695, 718987390, 1437974780]

約数ペア:

[(1, 1437974780), (2, 718987390), (4, 359493695), (5, 287594956), (10, 143797478), (11, 130724980), (20, 71898739), (22, 65362490), (44, 32681245), (55, 26144996), (89, 16157020), (110, 13072498), (178, 8078510), (220, 6536249), (271, 5306180), (356, 4039255), (445, 3231404), (542, 2653090), (890, 1615702), (979, 1468820), (1084, 1326545), (1355, 1061236), (1780, 807851), (1958, 734410), (2710, 530618), (2981, 482380), (3916, 367205), (4895, 293764), (5420, 265309), (5962, 241190), (9790, 146882), (11924, 120595), (14905, 96476), (19580, 73441), (24119, 59620), (29810, 48238)]