30649540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 66572352

約数和(自身を除く): 35922812

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 227, 314, 430, 454, 628, 785, 860, 908, 1135, 1570, 2270, 3140, 4540, 6751, 9761, 13502, 19522, 27004, 33755, 35639, 39044, 48805, 67510, 71278, 97610, 135020, 142556, 178195, 195220, 356390, 712780, 1532477, 3064954, 6129908, 7662385, 15324770, 30649540]

約数ペア:

[(1, 30649540), (2, 15324770), (4, 7662385), (5, 6129908), (10, 3064954), (20, 1532477), (43, 712780), (86, 356390), (157, 195220), (172, 178195), (215, 142556), (227, 135020), (314, 97610), (430, 71278), (454, 67510), (628, 48805), (785, 39044), (860, 35639), (908, 33755), (1135, 27004), (1570, 19522), (2270, 13502), (3140, 9761), (4540, 6751)]