63437420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 136170720

約数和(自身を除く): 72733300

約数列:

[1, 2, 4, 5, 10, 20, 89, 157, 178, 227, 314, 356, 445, 454, 628, 785, 890, 908, 1135, 1570, 1780, 2270, 3140, 4540, 13973, 20203, 27946, 35639, 40406, 55892, 69865, 71278, 80812, 101015, 139730, 142556, 178195, 202030, 279460, 356390, 404060, 712780, 3171871, 6343742, 12687484, 15859355, 31718710, 63437420]

約数ペア:

[(1, 63437420), (2, 31718710), (4, 15859355), (5, 12687484), (10, 6343742), (20, 3171871), (89, 712780), (157, 404060), (178, 356390), (227, 279460), (314, 202030), (356, 178195), (445, 142556), (454, 139730), (628, 101015), (785, 80812), (890, 71278), (908, 69865), (1135, 55892), (1570, 40406), (1780, 35639), (2270, 27946), (3140, 20203), (4540, 13973)]