218369420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{22147}}^1$

素因数の和:22202

約数の個数: 48

約数和(自身を含む): 502316640

約数和(自身を除く): 283947220

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 22147, 44294, 88588, 110735, 221470, 376499, 442940, 642263, 752998, 1284526, 1505996, 1882495, 2569052, 3211315, 3764990, 6422630, 7529980, 10918471, 12845260, 21836942, 43673884, 54592355, 109184710, 218369420]

約数ペア:

[(1, 218369420), (2, 109184710), (4, 54592355), (5, 43673884), (10, 21836942), (17, 12845260), (20, 10918471), (29, 7529980), (34, 6422630), (58, 3764990), (68, 3211315), (85, 2569052), (116, 1882495), (145, 1505996), (170, 1284526), (290, 752998), (340, 642263), (493, 442940), (580, 376499), (986, 221470), (1972, 110735), (2465, 88588), (4930, 44294), (9860, 22147)]