16977460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 20278220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 197, 278, 310, 394, 556, 620, 695, 788, 985, 1390, 1970, 2780, 3940, 4309, 6107, 8618, 12214, 17236, 21545, 24428, 27383, 30535, 43090, 54766, 61070, 86180, 109532, 122140, 136915, 273830, 547660, 848873, 1697746, 3395492, 4244365, 8488730, 16977460]

約数ペア:

[(1, 16977460), (2, 8488730), (4, 4244365), (5, 3395492), (10, 1697746), (20, 848873), (31, 547660), (62, 273830), (124, 136915), (139, 122140), (155, 109532), (197, 86180), (278, 61070), (310, 54766), (394, 43090), (556, 30535), (620, 27383), (695, 24428), (788, 21545), (985, 17236), (1390, 12214), (1970, 8618), (2780, 6107), (3940, 4309)]