31099580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 69242880

約数和(自身を除く): 38143300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 367, 380, 446, 734, 892, 1115, 1468, 1835, 2230, 3670, 4237, 4460, 6973, 7340, 8474, 13946, 16948, 21185, 27892, 34865, 42370, 69730, 81841, 84740, 139460, 163682, 327364, 409205, 818410, 1554979, 1636820, 3109958, 6219916, 7774895, 15549790, 31099580]

約数ペア:

[(1, 31099580), (2, 15549790), (4, 7774895), (5, 6219916), (10, 3109958), (19, 1636820), (20, 1554979), (38, 818410), (76, 409205), (95, 327364), (190, 163682), (223, 139460), (367, 84740), (380, 81841), (446, 69730), (734, 42370), (892, 34865), (1115, 27892), (1468, 21185), (1835, 16948), (2230, 13946), (3670, 8474), (4237, 7340), (4460, 6973)]