890655040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2843}}^1$

素因数の和:2960

約数の個数: 112

約数和(自身を含む): 2340498240

約数和(自身を除く): 1449843200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 160, 176, 178, 220, 320, 352, 356, 440, 445, 704, 712, 880, 890, 979, 1424, 1760, 1780, 1958, 2843, 2848, 3520, 3560, 3916, 4895, 5686, 5696, 7120, 7832, 9790, 11372, 14215, 14240, 15664, 19580, 22744, 28430, 28480, 31273, 31328, 39160, 45488, 56860, 62546, 62656, 78320, 90976, 113720, 125092, 156365, 156640, 181952, 227440, 250184, 253027, 312730, 313280, 454880, 500368, 506054, 625460, 909760, 1000736, 1012108, 1250920, 1265135, 2001472, 2024216, 2501840, 2530270, 2783297, 4048432, 5003680, 5060540, 5566594, 8096864, 10007360, 10121080, 11133188, 13916485, 16193728, 20242160, 22266376, 27832970, 40484320, 44532752, 55665940, 80968640, 89065504, 111331880, 178131008, 222663760, 445327520, 890655040]

約数ペア:

[(1, 890655040), (2, 445327520), (4, 222663760), (5, 178131008), (8, 111331880), (10, 89065504), (11, 80968640), (16, 55665940), (20, 44532752), (22, 40484320), (32, 27832970), (40, 22266376), (44, 20242160), (55, 16193728), (64, 13916485), (80, 11133188), (88, 10121080), (89, 10007360), (110, 8096864), (160, 5566594), (176, 5060540), (178, 5003680), (220, 4048432), (320, 2783297), (352, 2530270), (356, 2501840), (440, 2024216), (445, 2001472), (704, 1265135), (712, 1250920), (880, 1012108), (890, 1000736), (979, 909760), (1424, 625460), (1760, 506054), (1780, 500368), (1958, 454880), (2843, 313280), (2848, 312730), (3520, 253027), (3560, 250184), (3916, 227440), (4895, 181952), (5686, 156640), (5696, 156365), (7120, 125092), (7832, 113720), (9790, 90976), (11372, 78320), (14215, 62656), (14240, 62546), (15664, 56860), (19580, 45488), (22744, 39160), (28430, 31328), (28480, 31273)]