98812540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{569}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 219290400

約数和(自身を除く): 120477860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 457, 569, 914, 1138, 1828, 2276, 2285, 2845, 4570, 5690, 8683, 9140, 10811, 11380, 17366, 21622, 34732, 43244, 43415, 54055, 86830, 108110, 173660, 216220, 260033, 520066, 1040132, 1300165, 2600330, 4940627, 5200660, 9881254, 19762508, 24703135, 49406270, 98812540]

約数ペア:

[(1, 98812540), (2, 49406270), (4, 24703135), (5, 19762508), (10, 9881254), (19, 5200660), (20, 4940627), (38, 2600330), (76, 1300165), (95, 1040132), (190, 520066), (380, 260033), (457, 216220), (569, 173660), (914, 108110), (1138, 86830), (1828, 54055), (2276, 43415), (2285, 43244), (2845, 34732), (4570, 21622), (5690, 17366), (8683, 11380), (9140, 10811)]