80821214950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{479}}^1\times {\mathrm{1129}}^1$

素因数の和:1695

約数の個数: 144

約数和(自身を含む): 178266268800

約数和(自身を除く): 97445053850

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 122, 175, 245, 305, 350, 427, 479, 490, 610, 854, 958, 1129, 1225, 1525, 2135, 2258, 2395, 2450, 2989, 3050, 3353, 4270, 4790, 5645, 5978, 6706, 7903, 10675, 11290, 11975, 14945, 15806, 16765, 21350, 23471, 23950, 28225, 29219, 29890, 33530, 39515, 46942, 55321, 56450, 58438, 68869, 74725, 79030, 83825, 110642, 117355, 137738, 146095, 149450, 167650, 197575, 204533, 234710, 276605, 292190, 344345, 395150, 409066, 482083, 540791, 553210, 586775, 688690, 730475, 964166, 1022665, 1081582, 1173550, 1383025, 1431731, 1460950, 1721725, 2045330, 2410415, 2703955, 2766050, 2863462, 3374581, 3443450, 3785537, 4820830, 5113325, 5407910, 6749162, 7158655, 7571074, 10226650, 12052075, 13519775, 14317310, 16872905, 18927685, 24104150, 26498759, 27039550, 32988251, 33745810, 35793275, 37855370, 52997518, 65976502, 71586550, 84364525, 94638425, 132493795, 164941255, 168729050, 189276850, 230917757, 264987590, 329882510, 461835514, 662468975, 824706275, 1154588785, 1324937950, 1616424299, 1649412550, 2309177570, 3232848598, 5772943925, 8082121495, 11545887850, 16164242990, 40410607475, 80821214950]

約数ペア:

[(1, 80821214950), (2, 40410607475), (5, 16164242990), (7, 11545887850), (10, 8082121495), (14, 5772943925), (25, 3232848598), (35, 2309177570), (49, 1649412550), (50, 1616424299), (61, 1324937950), (70, 1154588785), (98, 824706275), (122, 662468975), (175, 461835514), (245, 329882510), (305, 264987590), (350, 230917757), (427, 189276850), (479, 168729050), (490, 164941255), (610, 132493795), (854, 94638425), (958, 84364525), (1129, 71586550), (1225, 65976502), (1525, 52997518), (2135, 37855370), (2258, 35793275), (2395, 33745810), (2450, 32988251), (2989, 27039550), (3050, 26498759), (3353, 24104150), (4270, 18927685), (4790, 16872905), (5645, 14317310), (5978, 13519775), (6706, 12052075), (7903, 10226650), (10675, 7571074), (11290, 7158655), (11975, 6749162), (14945, 5407910), (15806, 5113325), (16765, 4820830), (21350, 3785537), (23471, 3443450), (23950, 3374581), (28225, 2863462), (29219, 2766050), (29890, 2703955), (33530, 2410415), (39515, 2045330), (46942, 1721725), (55321, 1460950), (56450, 1431731), (58438, 1383025), (68869, 1173550), (74725, 1081582), (79030, 1022665), (83825, 964166), (110642, 730475), (117355, 688690), (137738, 586775), (146095, 553210), (149450, 540791), (167650, 482083), (197575, 409066), (204533, 395150), (234710, 344345), (276605, 292190)]