977963980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1\times {\mathrm{491}}^1$

素因数の和:895

約数の個数: 96

約数和(自身を含む): 2416200192

約数和(自身を除く): 1438236212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 347, 410, 491, 574, 694, 820, 982, 1148, 1388, 1435, 1735, 1964, 2429, 2455, 2870, 3437, 3470, 4858, 4910, 5740, 6874, 6940, 9716, 9820, 12145, 13748, 14227, 17185, 20131, 24290, 28454, 34370, 40262, 48580, 56908, 68740, 71135, 80524, 99589, 100655, 140917, 142270, 170377, 199178, 201310, 281834, 284540, 340754, 398356, 402620, 497945, 563668, 681508, 704585, 851885, 995890, 1192639, 1409170, 1703770, 1991780, 2385278, 2818340, 3407540, 4770556, 5963195, 6985457, 11926390, 13970914, 23852780, 27941828, 34927285, 48898199, 69854570, 97796398, 139709140, 195592796, 244490995, 488981990, 977963980]

約数ペア:

[(1, 977963980), (2, 488981990), (4, 244490995), (5, 195592796), (7, 139709140), (10, 97796398), (14, 69854570), (20, 48898199), (28, 34927285), (35, 27941828), (41, 23852780), (70, 13970914), (82, 11926390), (140, 6985457), (164, 5963195), (205, 4770556), (287, 3407540), (347, 2818340), (410, 2385278), (491, 1991780), (574, 1703770), (694, 1409170), (820, 1192639), (982, 995890), (1148, 851885), (1388, 704585), (1435, 681508), (1735, 563668), (1964, 497945), (2429, 402620), (2455, 398356), (2870, 340754), (3437, 284540), (3470, 281834), (4858, 201310), (4910, 199178), (5740, 170377), (6874, 142270), (6940, 140917), (9716, 100655), (9820, 99589), (12145, 80524), (13748, 71135), (14227, 68740), (17185, 56908), (20131, 48580), (24290, 40262), (28454, 34370)]