5145980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 12927600

約数和(自身を除く): 7781620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 89, 98, 118, 140, 178, 196, 236, 245, 295, 356, 413, 445, 490, 590, 623, 826, 890, 980, 1180, 1246, 1652, 1780, 2065, 2492, 2891, 3115, 4130, 4361, 5251, 5782, 6230, 8260, 8722, 10502, 11564, 12460, 14455, 17444, 21004, 21805, 26255, 28910, 36757, 43610, 52510, 57820, 73514, 87220, 105020, 147028, 183785, 257299, 367570, 514598, 735140, 1029196, 1286495, 2572990, 5145980]

約数ペア:

[(1, 5145980), (2, 2572990), (4, 1286495), (5, 1029196), (7, 735140), (10, 514598), (14, 367570), (20, 257299), (28, 183785), (35, 147028), (49, 105020), (59, 87220), (70, 73514), (89, 57820), (98, 52510), (118, 43610), (140, 36757), (178, 28910), (196, 26255), (236, 21805), (245, 21004), (295, 17444), (356, 14455), (413, 12460), (445, 11564), (490, 10502), (590, 8722), (623, 8260), (826, 6230), (890, 5782), (980, 5251), (1180, 4361), (1246, 4130), (1652, 3115), (1780, 2891), (2065, 2492)]