87855460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 232968960

約数和(自身を除く): 145113500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 220, 308, 356, 385, 445, 623, 641, 770, 890, 979, 1246, 1282, 1540, 1780, 1958, 2492, 2564, 3115, 3205, 3916, 4487, 4895, 6230, 6410, 6853, 7051, 8974, 9790, 12460, 12820, 13706, 14102, 17948, 19580, 22435, 27412, 28204, 34265, 35255, 44870, 49357, 57049, 68530, 70510, 89740, 98714, 114098, 137060, 141020, 197428, 228196, 246785, 285245, 399343, 493570, 570490, 627539, 798686, 987140, 1140980, 1255078, 1597372, 1996715, 2510156, 3137695, 3993430, 4392773, 6275390, 7986860, 8785546, 12550780, 17571092, 21963865, 43927730, 87855460]

約数ペア:

[(1, 87855460), (2, 43927730), (4, 21963865), (5, 17571092), (7, 12550780), (10, 8785546), (11, 7986860), (14, 6275390), (20, 4392773), (22, 3993430), (28, 3137695), (35, 2510156), (44, 1996715), (55, 1597372), (70, 1255078), (77, 1140980), (89, 987140), (110, 798686), (140, 627539), (154, 570490), (178, 493570), (220, 399343), (308, 285245), (356, 246785), (385, 228196), (445, 197428), (623, 141020), (641, 137060), (770, 114098), (890, 98714), (979, 89740), (1246, 70510), (1282, 68530), (1540, 57049), (1780, 49357), (1958, 44870), (2492, 35255), (2564, 34265), (3115, 28204), (3205, 27412), (3916, 22435), (4487, 19580), (4895, 17948), (6230, 14102), (6410, 13706), (6853, 12820), (7051, 12460), (8974, 9790)]