100809740

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 215883360

約数和(自身を除く): 115073620

約数列:

[1, 2, 4, 5, 10, 20, 109, 131, 218, 262, 353, 436, 524, 545, 655, 706, 1090, 1310, 1412, 1765, 2180, 2620, 3530, 7060, 14279, 28558, 38477, 46243, 57116, 71395, 76954, 92486, 142790, 153908, 184972, 192385, 231215, 285580, 384770, 462430, 769540, 924860, 5040487, 10080974, 20161948, 25202435, 50404870, 100809740]

約数ペア:

[(1, 100809740), (2, 50404870), (4, 25202435), (5, 20161948), (10, 10080974), (20, 5040487), (109, 924860), (131, 769540), (218, 462430), (262, 384770), (353, 285580), (436, 231215), (524, 192385), (545, 184972), (655, 153908), (706, 142790), (1090, 92486), (1310, 76954), (1412, 71395), (1765, 57116), (2180, 46243), (2620, 38477), (3530, 28558), (7060, 14279)]