2013923990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{2957}}^1$

素因数の和:3034

約数の個数: 64

約数和(自身を含む): 4055063040

約数和(自身を除く): 2041139050

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 2197, 2957, 4030, 4394, 5239, 5914, 10478, 10985, 14785, 21970, 26195, 29570, 38441, 52390, 68107, 76882, 91667, 136214, 183334, 192205, 340535, 384410, 458335, 499733, 681070, 916670, 999466, 1191671, 2383342, 2498665, 4997330, 5958355, 6496529, 11916710, 12993058, 15491723, 30983446, 32482645, 64965290, 77458615, 154917230, 201392399, 402784798, 1006961995, 2013923990]

約数ペア:

[(1, 2013923990), (2, 1006961995), (5, 402784798), (10, 201392399), (13, 154917230), (26, 77458615), (31, 64965290), (62, 32482645), (65, 30983446), (130, 15491723), (155, 12993058), (169, 11916710), (310, 6496529), (338, 5958355), (403, 4997330), (806, 2498665), (845, 2383342), (1690, 1191671), (2015, 999466), (2197, 916670), (2957, 681070), (4030, 499733), (4394, 458335), (5239, 384410), (5914, 340535), (10478, 192205), (10985, 183334), (14785, 136214), (21970, 91667), (26195, 76882), (29570, 68107), (38441, 52390)]