1642991980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{37021}}^1$

素因数の和:37354

約数の個数: 48

約数和(自身を含む): 3955726656

約数和(自身を除く): 2312734676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 2219, 3170, 4438, 6340, 8876, 11095, 22190, 37021, 44380, 74042, 148084, 185105, 259147, 370210, 518294, 740420, 1036588, 1295735, 2591470, 5182940, 11735657, 23471314, 46942628, 58678285, 82149599, 117356570, 164299198, 234713140, 328598396, 410747995, 821495990, 1642991980]

約数ペア:

[(1, 1642991980), (2, 821495990), (4, 410747995), (5, 328598396), (7, 234713140), (10, 164299198), (14, 117356570), (20, 82149599), (28, 58678285), (35, 46942628), (70, 23471314), (140, 11735657), (317, 5182940), (634, 2591470), (1268, 1295735), (1585, 1036588), (2219, 740420), (3170, 518294), (4438, 370210), (6340, 259147), (8876, 185105), (11095, 148084), (22190, 74042), (37021, 44380)]