1400670520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{30529}}^1$

素因数の和:30608

約数の個数: 64

約数和(自身を含む): 3341203200

約数和(自身を除く): 1940532680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 4588, 5735, 9176, 11470, 22940, 30529, 45880, 61058, 122116, 152645, 244232, 305290, 610580, 946399, 1129573, 1221160, 1892798, 2259146, 3785596, 4518292, 4731995, 5647865, 7571192, 9036584, 9463990, 11295730, 18927980, 22591460, 35016763, 37855960, 45182920, 70033526, 140067052, 175083815, 280134104, 350167630, 700335260, 1400670520]

約数ペア:

[(1, 1400670520), (2, 700335260), (4, 350167630), (5, 280134104), (8, 175083815), (10, 140067052), (20, 70033526), (31, 45182920), (37, 37855960), (40, 35016763), (62, 22591460), (74, 18927980), (124, 11295730), (148, 9463990), (155, 9036584), (185, 7571192), (248, 5647865), (296, 4731995), (310, 4518292), (370, 3785596), (620, 2259146), (740, 1892798), (1147, 1221160), (1240, 1129573), (1480, 946399), (2294, 610580), (4588, 305290), (5735, 244232), (9176, 152645), (11470, 122116), (22940, 61058), (30529, 45880)]