308820640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113537}}^1$

素因数の和:113569

約数の個数: 48

約数和(自身を含む): 772512552

約数和(自身を除く): 463691912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 113537, 227074, 454148, 567685, 908296, 1135370, 1816592, 1930129, 2270740, 3633184, 3860258, 4541480, 7720516, 9082960, 9650645, 15441032, 18165920, 19301290, 30882064, 38602580, 61764128, 77205160, 154410320, 308820640]

約数ペア:

[(1, 308820640), (2, 154410320), (4, 77205160), (5, 61764128), (8, 38602580), (10, 30882064), (16, 19301290), (17, 18165920), (20, 15441032), (32, 9650645), (34, 9082960), (40, 7720516), (68, 4541480), (80, 3860258), (85, 3633184), (136, 2270740), (160, 1930129), (170, 1816592), (272, 1135370), (340, 908296), (544, 567685), (680, 454148), (1360, 227074), (2720, 113537)]