205877840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{653}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 548857728

約数和(自身を除く): 342979888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 563, 653, 1126, 1306, 2252, 2612, 2815, 3265, 3941, 4504, 4571, 5224, 5630, 6530, 7882, 9008, 9142, 10448, 11260, 13060, 15764, 18284, 19705, 22520, 22855, 26120, 31528, 36568, 39410, 45040, 45710, 52240, 63056, 73136, 78820, 91420, 157640, 182840, 315280, 365680, 367639, 735278, 1470556, 1838195, 2573473, 2941112, 3676390, 5146946, 5882224, 7352780, 10293892, 12867365, 14705560, 20587784, 25734730, 29411120, 41175568, 51469460, 102938920, 205877840]

約数ペア:

[(1, 205877840), (2, 102938920), (4, 51469460), (5, 41175568), (7, 29411120), (8, 25734730), (10, 20587784), (14, 14705560), (16, 12867365), (20, 10293892), (28, 7352780), (35, 5882224), (40, 5146946), (56, 3676390), (70, 2941112), (80, 2573473), (112, 1838195), (140, 1470556), (280, 735278), (560, 367639), (563, 365680), (653, 315280), (1126, 182840), (1306, 157640), (2252, 91420), (2612, 78820), (2815, 73136), (3265, 63056), (3941, 52240), (4504, 45710), (4571, 45040), (5224, 39410), (5630, 36568), (6530, 31528), (7882, 26120), (9008, 22855), (9142, 22520), (10448, 19705), (11260, 18284), (13060, 15764)]