84887300

素因数分解:

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

素因数の和:381

約数の個数: 72

約数和(自身を含む): 192487680

約数和(自身を除く): 107600380

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 139, 155, 197, 278, 310, 394, 556, 620, 695, 775, 788, 985, 1390, 1550, 1970, 2780, 3100, 3475, 3940, 4309, 4925, 6107, 6950, 8618, 9850, 12214, 13900, 17236, 19700, 21545, 24428, 27383, 30535, 43090, 54766, 61070, 86180, 107725, 109532, 122140, 136915, 152675, 215450, 273830, 305350, 430900, 547660, 610700, 684575, 848873, 1369150, 1697746, 2738300, 3395492, 4244365, 8488730, 16977460, 21221825, 42443650, 84887300]

約数ペア:

[(1, 84887300), (2, 42443650), (4, 21221825), (5, 16977460), (10, 8488730), (20, 4244365), (25, 3395492), (31, 2738300), (50, 1697746), (62, 1369150), (100, 848873), (124, 684575), (139, 610700), (155, 547660), (197, 430900), (278, 305350), (310, 273830), (394, 215450), (556, 152675), (620, 136915), (695, 122140), (775, 109532), (788, 107725), (985, 86180), (1390, 61070), (1550, 54766), (1970, 43090), (2780, 30535), (3100, 27383), (3475, 24428), (3940, 21545), (4309, 19700), (4925, 17236), (6107, 13900), (6950, 12214), (8618, 9850)]