388601200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{74731}}^1$

素因数の和:74762

約数の個数: 60

約数和(自身を含む): 1005444328

約数和(自身を除く): 616843128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 74731, 149462, 298924, 373655, 597848, 747310, 971503, 1195696, 1494620, 1868275, 1943006, 2989240, 3736550, 3886012, 4857515, 5978480, 7473100, 7772024, 9715030, 14946200, 15544048, 19430060, 24287575, 29892400, 38860120, 48575150, 77720240, 97150300, 194300600, 388601200]

約数ペア:

[(1, 388601200), (2, 194300600), (4, 97150300), (5, 77720240), (8, 48575150), (10, 38860120), (13, 29892400), (16, 24287575), (20, 19430060), (25, 15544048), (26, 14946200), (40, 9715030), (50, 7772024), (52, 7473100), (65, 5978480), (80, 4857515), (100, 3886012), (104, 3736550), (130, 2989240), (200, 1943006), (208, 1868275), (260, 1494620), (325, 1195696), (400, 971503), (520, 747310), (650, 597848), (1040, 373655), (1300, 298924), (2600, 149462), (5200, 74731)]