2043440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:150

約数の個数: 80

約数和(自身を含む): 5624640

約数和(自身を除く): 3581200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 89, 112, 140, 164, 178, 205, 280, 287, 328, 356, 410, 445, 560, 574, 623, 656, 712, 820, 890, 1148, 1246, 1424, 1435, 1640, 1780, 2296, 2492, 2870, 3115, 3280, 3560, 3649, 4592, 4984, 5740, 6230, 7120, 7298, 9968, 11480, 12460, 14596, 18245, 22960, 24920, 25543, 29192, 36490, 49840, 51086, 58384, 72980, 102172, 127715, 145960, 204344, 255430, 291920, 408688, 510860, 1021720, 2043440]

約数ペア:

[(1, 2043440), (2, 1021720), (4, 510860), (5, 408688), (7, 291920), (8, 255430), (10, 204344), (14, 145960), (16, 127715), (20, 102172), (28, 72980), (35, 58384), (40, 51086), (41, 49840), (56, 36490), (70, 29192), (80, 25543), (82, 24920), (89, 22960), (112, 18245), (140, 14596), (164, 12460), (178, 11480), (205, 9968), (280, 7298), (287, 7120), (328, 6230), (356, 5740), (410, 4984), (445, 4592), (560, 3649), (574, 3560), (623, 3280), (656, 3115), (712, 2870), (820, 2492), (890, 2296), (1148, 1780), (1246, 1640), (1424, 1435)]