331376000

素因数分解:

$2^7\times 5^3\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 835380000

約数和(自身を除く): 504004000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 139, 149, 160, 200, 250, 278, 298, 320, 400, 500, 556, 596, 640, 695, 745, 800, 1000, 1112, 1192, 1390, 1490, 1600, 2000, 2224, 2384, 2780, 2980, 3200, 3475, 3725, 4000, 4448, 4768, 5560, 5960, 6950, 7450, 8000, 8896, 9536, 11120, 11920, 13900, 14900, 16000, 17375, 17792, 18625, 19072, 20711, 22240, 23840, 27800, 29800, 34750, 37250, 41422, 44480, 47680, 55600, 59600, 69500, 74500, 82844, 88960, 95360, 103555, 111200, 119200, 139000, 149000, 165688, 207110, 222400, 238400, 278000, 298000, 331376, 414220, 444800, 476800, 517775, 556000, 596000, 662752, 828440, 1035550, 1112000, 1192000, 1325504, 1656880, 2071100, 2224000, 2384000, 2588875, 2651008, 3313760, 4142200, 5177750, 6627520, 8284400, 10355500, 13255040, 16568800, 20711000, 33137600, 41422000, 66275200, 82844000, 165688000, 331376000]

約数ペア:

[(1, 331376000), (2, 165688000), (4, 82844000), (5, 66275200), (8, 41422000), (10, 33137600), (16, 20711000), (20, 16568800), (25, 13255040), (32, 10355500), (40, 8284400), (50, 6627520), (64, 5177750), (80, 4142200), (100, 3313760), (125, 2651008), (128, 2588875), (139, 2384000), (149, 2224000), (160, 2071100), (200, 1656880), (250, 1325504), (278, 1192000), (298, 1112000), (320, 1035550), (400, 828440), (500, 662752), (556, 596000), (596, 556000), (640, 517775), (695, 476800), (745, 444800), (800, 414220), (1000, 331376), (1112, 298000), (1192, 278000), (1390, 238400), (1490, 222400), (1600, 207110), (2000, 165688), (2224, 149000), (2384, 139000), (2780, 119200), (2980, 111200), (3200, 103555), (3475, 95360), (3725, 88960), (4000, 82844), (4448, 74500), (4768, 69500), (5560, 59600), (5960, 55600), (6950, 47680), (7450, 44480), (8000, 41422), (8896, 37250), (9536, 34750), (11120, 29800), (11920, 27800), (13900, 23840), (14900, 22240), (16000, 20711), (17375, 19072), (17792, 18625)]