90815020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{7219}}^1$

素因数の和:7282

約数の個数: 48

約数和(自身を含む): 207416160

約数和(自身を除く): 116601140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 7219, 12580, 14438, 28876, 36095, 72190, 122723, 144380, 245446, 267103, 490892, 534206, 613615, 1068412, 1227230, 1335515, 2454460, 2671030, 4540751, 5342060, 9081502, 18163004, 22703755, 45407510, 90815020]

約数ペア:

[(1, 90815020), (2, 45407510), (4, 22703755), (5, 18163004), (10, 9081502), (17, 5342060), (20, 4540751), (34, 2671030), (37, 2454460), (68, 1335515), (74, 1227230), (85, 1068412), (148, 613615), (170, 534206), (185, 490892), (340, 267103), (370, 245446), (629, 144380), (740, 122723), (1258, 72190), (2516, 36095), (3145, 28876), (6290, 14438), (7219, 12580)]