398045892140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5261}}^1\times {\mathrm{290999}}^1$

素因数の和:296282

約数の個数: 48

約数和(自身を含む): 900370296000

約数和(自身を除く): 502324403860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5261, 10522, 21044, 26305, 52610, 68393, 105220, 136786, 273572, 290999, 341965, 581998, 683930, 1163996, 1367860, 1454995, 2909990, 3782987, 5819980, 7565974, 15131948, 18914935, 37829870, 75659740, 1530945739, 3061891478, 6123782956, 7654728695, 15309457390, 19902294607, 30618914780, 39804589214, 79609178428, 99511473035, 199022946070, 398045892140]

約数ペア:

[(1, 398045892140), (2, 199022946070), (4, 99511473035), (5, 79609178428), (10, 39804589214), (13, 30618914780), (20, 19902294607), (26, 15309457390), (52, 7654728695), (65, 6123782956), (130, 3061891478), (260, 1530945739), (5261, 75659740), (10522, 37829870), (21044, 18914935), (26305, 15131948), (52610, 7565974), (68393, 5819980), (105220, 3782987), (136786, 2909990), (273572, 1454995), (290999, 1367860), (341965, 1163996), (581998, 683930)]