198628760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41039}}^1$

素因数の和:41072

約数の個数: 48

約数和(自身を含む): 491248800

約数和(自身を除く): 292620040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 41039, 82078, 164156, 205195, 328312, 410390, 451429, 820780, 902858, 1641560, 1805716, 2257145, 3611432, 4514290, 4965719, 9028580, 9931438, 18057160, 19862876, 24828595, 39725752, 49657190, 99314380, 198628760]

約数ペア:

[(1, 198628760), (2, 99314380), (4, 49657190), (5, 39725752), (8, 24828595), (10, 19862876), (11, 18057160), (20, 9931438), (22, 9028580), (40, 4965719), (44, 4514290), (55, 3611432), (88, 2257145), (110, 1805716), (121, 1641560), (220, 902858), (242, 820780), (440, 451429), (484, 410390), (605, 328312), (968, 205195), (1210, 164156), (2420, 82078), (4840, 41039)]