208893880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5503}}^1$

素因数の和:5600

約数の個数: 64

約数和(自身を含む): 513192960

約数和(自身を除く): 304299080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2920, 3796, 4745, 5503, 7592, 9490, 11006, 18980, 22012, 27515, 37960, 44024, 55030, 71539, 110060, 143078, 220120, 286156, 357695, 401719, 572312, 715390, 803438, 1430780, 1606876, 2008595, 2861560, 3213752, 4017190, 5222347, 8034380, 10444694, 16068760, 20889388, 26111735, 41778776, 52223470, 104446940, 208893880]

約数ペア:

[(1, 208893880), (2, 104446940), (4, 52223470), (5, 41778776), (8, 26111735), (10, 20889388), (13, 16068760), (20, 10444694), (26, 8034380), (40, 5222347), (52, 4017190), (65, 3213752), (73, 2861560), (104, 2008595), (130, 1606876), (146, 1430780), (260, 803438), (292, 715390), (365, 572312), (520, 401719), (584, 357695), (730, 286156), (949, 220120), (1460, 143078), (1898, 110060), (2920, 71539), (3796, 55030), (4745, 44024), (5503, 37960), (7592, 27515), (9490, 22012), (11006, 18980)]