399133060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 902135808

約数和(自身を除く): 503002748

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 127, 137, 148, 155, 185, 254, 274, 310, 370, 508, 548, 620, 635, 685, 740, 1147, 1270, 1370, 2294, 2540, 2740, 3937, 4247, 4588, 4699, 5069, 5735, 7874, 8494, 9398, 10138, 11470, 15748, 16988, 17399, 18796, 19685, 20276, 21235, 22940, 23495, 25345, 34798, 39370, 42470, 46990, 50690, 69596, 78740, 84940, 86995, 93980, 101380, 145669, 157139, 173990, 291338, 314278, 347980, 539369, 582676, 628556, 643763, 728345, 785695, 1078738, 1287526, 1456690, 1571390, 2157476, 2575052, 2696845, 2913380, 3142780, 3218815, 5393690, 6437630, 10787380, 12875260, 19956653, 39913306, 79826612, 99783265, 199566530, 399133060]

約数ペア:

[(1, 399133060), (2, 199566530), (4, 99783265), (5, 79826612), (10, 39913306), (20, 19956653), (31, 12875260), (37, 10787380), (62, 6437630), (74, 5393690), (124, 3218815), (127, 3142780), (137, 2913380), (148, 2696845), (155, 2575052), (185, 2157476), (254, 1571390), (274, 1456690), (310, 1287526), (370, 1078738), (508, 785695), (548, 728345), (620, 643763), (635, 628556), (685, 582676), (740, 539369), (1147, 347980), (1270, 314278), (1370, 291338), (2294, 173990), (2540, 157139), (2740, 145669), (3937, 101380), (4247, 93980), (4588, 86995), (4699, 84940), (5069, 78740), (5735, 69596), (7874, 50690), (8494, 46990), (9398, 42470), (10138, 39370), (11470, 34798), (15748, 25345), (16988, 23495), (17399, 22940), (18796, 21235), (19685, 20276)]