445408880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{7297}}^1$

素因数の和:7426

約数の個数: 80

約数和(自身を含む): 1194536640

約数和(自身を除く): 749127760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3815, 4360, 6104, 7297, 7630, 8720, 12208, 14594, 15260, 29188, 30520, 36485, 51079, 58376, 61040, 72970, 102158, 116752, 145940, 204316, 255395, 291880, 408632, 510790, 583760, 795373, 817264, 1021580, 1590746, 2043160, 3181492, 3976865, 4086320, 5567611, 6362984, 7953730, 11135222, 12725968, 15907460, 22270444, 27838055, 31814920, 44540888, 55676110, 63629840, 89081776, 111352220, 222704440, 445408880]

約数ペア:

[(1, 445408880), (2, 222704440), (4, 111352220), (5, 89081776), (7, 63629840), (8, 55676110), (10, 44540888), (14, 31814920), (16, 27838055), (20, 22270444), (28, 15907460), (35, 12725968), (40, 11135222), (56, 7953730), (70, 6362984), (80, 5567611), (109, 4086320), (112, 3976865), (140, 3181492), (218, 2043160), (280, 1590746), (436, 1021580), (545, 817264), (560, 795373), (763, 583760), (872, 510790), (1090, 408632), (1526, 291880), (1744, 255395), (2180, 204316), (3052, 145940), (3815, 116752), (4360, 102158), (6104, 72970), (7297, 61040), (7630, 58376), (8720, 51079), (12208, 36485), (14594, 30520), (15260, 29188)]