406513850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1609}}^1$

素因数の和:1815

約数の個数: 48

約数和(自身を含む): 785783040

約数和(自身を除く): 379269190

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 163, 310, 326, 775, 815, 1550, 1609, 1630, 3218, 4075, 5053, 8045, 8150, 10106, 16090, 25265, 40225, 49879, 50530, 80450, 99758, 126325, 249395, 252650, 262267, 498790, 524534, 1246975, 1311335, 2493950, 2622670, 6556675, 8130277, 13113350, 16260554, 40651385, 81302770, 203256925, 406513850]

約数ペア:

[(1, 406513850), (2, 203256925), (5, 81302770), (10, 40651385), (25, 16260554), (31, 13113350), (50, 8130277), (62, 6556675), (155, 2622670), (163, 2493950), (310, 1311335), (326, 1246975), (775, 524534), (815, 498790), (1550, 262267), (1609, 252650), (1630, 249395), (3218, 126325), (4075, 99758), (5053, 80450), (8045, 50530), (8150, 49879), (10106, 40225), (16090, 25265)]