881569790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 1706365440

約数和(自身を除く): 824795650

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 107, 190, 206, 214, 421, 515, 535, 842, 1030, 1070, 1957, 2033, 2105, 3914, 4066, 4210, 7999, 9785, 10165, 11021, 15998, 19570, 20330, 22042, 39995, 43363, 45047, 55105, 79990, 86726, 90094, 110210, 209399, 216815, 225235, 418798, 433630, 450470, 823897, 855893, 1046995, 1647794, 1711786, 2093990, 4119485, 4279465, 4639841, 8238970, 8558930, 9279682, 23199205, 46398410, 88156979, 176313958, 440784895, 881569790]

約数ペア:

[(1, 881569790), (2, 440784895), (5, 176313958), (10, 88156979), (19, 46398410), (38, 23199205), (95, 9279682), (103, 8558930), (107, 8238970), (190, 4639841), (206, 4279465), (214, 4119485), (421, 2093990), (515, 1711786), (535, 1647794), (842, 1046995), (1030, 855893), (1070, 823897), (1957, 450470), (2033, 433630), (2105, 418798), (3914, 225235), (4066, 216815), (4210, 209399), (7999, 110210), (9785, 90094), (10165, 86726), (11021, 79990), (15998, 55105), (19570, 45047), (20330, 43363), (22042, 39995)]