421805720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{701}}^1$

素因数の和:1033

約数の個数: 96

約数和(自身を含む): 1109188080

約数和(自身を除く): 687382360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 307, 392, 490, 614, 701, 980, 1228, 1402, 1535, 1960, 2149, 2456, 2804, 3070, 3505, 4298, 4907, 5608, 6140, 7010, 8596, 9814, 10745, 12280, 14020, 15043, 17192, 19628, 21490, 24535, 28040, 30086, 34349, 39256, 42980, 49070, 60172, 68698, 75215, 85960, 98140, 120344, 137396, 150430, 171745, 196280, 215207, 274792, 300860, 343490, 430414, 601720, 686980, 860828, 1076035, 1373960, 1506449, 1721656, 2152070, 3012898, 4304140, 6025796, 7532245, 8608280, 10545143, 12051592, 15064490, 21090286, 30128980, 42180572, 52725715, 60257960, 84361144, 105451430, 210902860, 421805720]

約数ペア:

[(1, 421805720), (2, 210902860), (4, 105451430), (5, 84361144), (7, 60257960), (8, 52725715), (10, 42180572), (14, 30128980), (20, 21090286), (28, 15064490), (35, 12051592), (40, 10545143), (49, 8608280), (56, 7532245), (70, 6025796), (98, 4304140), (140, 3012898), (196, 2152070), (245, 1721656), (280, 1506449), (307, 1373960), (392, 1076035), (490, 860828), (614, 686980), (701, 601720), (980, 430414), (1228, 343490), (1402, 300860), (1535, 274792), (1960, 215207), (2149, 196280), (2456, 171745), (2804, 150430), (3070, 137396), (3505, 120344), (4298, 98140), (4907, 85960), (5608, 75215), (6140, 68698), (7010, 60172), (8596, 49070), (9814, 42980), (10745, 39256), (12280, 34349), (14020, 30086), (15043, 28040), (17192, 24535), (19628, 21490)]