122687500

素因数分解:

$2^2\times 5^6\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:198

約数の個数: 84

約数和(自身を含む): 290933776

約数和(自身を除く): 168246276

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 151, 250, 260, 302, 325, 500, 604, 625, 650, 755, 1250, 1300, 1510, 1625, 1963, 2500, 3020, 3125, 3250, 3775, 3926, 6250, 6500, 7550, 7852, 8125, 9815, 12500, 15100, 15625, 16250, 18875, 19630, 31250, 32500, 37750, 39260, 40625, 49075, 62500, 75500, 81250, 94375, 98150, 162500, 188750, 196300, 203125, 245375, 377500, 406250, 471875, 490750, 812500, 943750, 981500, 1226875, 1887500, 2359375, 2453750, 4718750, 4907500, 6134375, 9437500, 12268750, 24537500, 30671875, 61343750, 122687500]

約数ペア:

[(1, 122687500), (2, 61343750), (4, 30671875), (5, 24537500), (10, 12268750), (13, 9437500), (20, 6134375), (25, 4907500), (26, 4718750), (50, 2453750), (52, 2359375), (65, 1887500), (100, 1226875), (125, 981500), (130, 943750), (151, 812500), (250, 490750), (260, 471875), (302, 406250), (325, 377500), (500, 245375), (604, 203125), (625, 196300), (650, 188750), (755, 162500), (1250, 98150), (1300, 94375), (1510, 81250), (1625, 75500), (1963, 62500), (2500, 49075), (3020, 40625), (3125, 39260), (3250, 37750), (3775, 32500), (3926, 31250), (6250, 19630), (6500, 18875), (7550, 16250), (7852, 15625), (8125, 15100), (9815, 12500)]