219852220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{853}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 539741664

約数和(自身を除く): 319889444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 263, 490, 526, 853, 980, 1052, 1315, 1706, 1841, 2630, 3412, 3682, 4265, 5260, 5971, 7364, 8530, 9205, 11942, 12887, 17060, 18410, 23884, 25774, 29855, 36820, 41797, 51548, 59710, 64435, 83594, 119420, 128870, 167188, 208985, 224339, 257740, 417970, 448678, 835940, 897356, 1121695, 1570373, 2243390, 3140746, 4486780, 6281492, 7851865, 10992611, 15703730, 21985222, 31407460, 43970444, 54963055, 109926110, 219852220]

約数ペア:

[(1, 219852220), (2, 109926110), (4, 54963055), (5, 43970444), (7, 31407460), (10, 21985222), (14, 15703730), (20, 10992611), (28, 7851865), (35, 6281492), (49, 4486780), (70, 3140746), (98, 2243390), (140, 1570373), (196, 1121695), (245, 897356), (263, 835940), (490, 448678), (526, 417970), (853, 257740), (980, 224339), (1052, 208985), (1315, 167188), (1706, 128870), (1841, 119420), (2630, 83594), (3412, 64435), (3682, 59710), (4265, 51548), (5260, 41797), (5971, 36820), (7364, 29855), (8530, 25774), (9205, 23884), (11942, 18410), (12887, 17060)]