2018990890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{4231}}^1$

素因数の和:4663

約数の個数: 64

約数和(自身を含む): 4409676288

約数和(自身を除く): 2390685398

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 401, 595, 802, 1190, 2005, 2807, 4010, 4231, 5614, 6817, 8462, 13634, 14035, 21155, 28070, 29617, 34085, 42310, 47719, 59234, 68170, 71927, 95438, 143854, 148085, 238595, 296170, 359635, 477190, 503489, 719270, 1006978, 1696631, 2517445, 3393262, 5034890, 8483155, 11876417, 16966310, 23752834, 28842727, 57685454, 59382085, 118764170, 144213635, 201899089, 288427270, 403798178, 1009495445, 2018990890]

約数ペア:

[(1, 2018990890), (2, 1009495445), (5, 403798178), (7, 288427270), (10, 201899089), (14, 144213635), (17, 118764170), (34, 59382085), (35, 57685454), (70, 28842727), (85, 23752834), (119, 16966310), (170, 11876417), (238, 8483155), (401, 5034890), (595, 3393262), (802, 2517445), (1190, 1696631), (2005, 1006978), (2807, 719270), (4010, 503489), (4231, 477190), (5614, 359635), (6817, 296170), (8462, 238595), (13634, 148085), (14035, 143854), (21155, 95438), (28070, 71927), (29617, 68170), (34085, 59234), (42310, 47719)]