219691400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 538090560

約数和(自身を除く): 318399160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 163, 184, 200, 230, 293, 326, 460, 575, 586, 652, 815, 920, 1150, 1172, 1304, 1465, 1630, 2300, 2344, 2930, 3260, 3749, 4075, 4600, 5860, 6520, 6739, 7325, 7498, 8150, 11720, 13478, 14650, 14996, 16300, 18745, 26956, 29300, 29992, 32600, 33695, 37490, 47759, 53912, 58600, 67390, 74980, 93725, 95518, 134780, 149960, 168475, 187450, 191036, 238795, 269560, 336950, 374900, 382072, 477590, 673900, 749800, 955180, 1098457, 1193975, 1347800, 1910360, 2196914, 2387950, 4393828, 4775900, 5492285, 8787656, 9551800, 10984570, 21969140, 27461425, 43938280, 54922850, 109845700, 219691400]

約数ペア:

[(1, 219691400), (2, 109845700), (4, 54922850), (5, 43938280), (8, 27461425), (10, 21969140), (20, 10984570), (23, 9551800), (25, 8787656), (40, 5492285), (46, 4775900), (50, 4393828), (92, 2387950), (100, 2196914), (115, 1910360), (163, 1347800), (184, 1193975), (200, 1098457), (230, 955180), (293, 749800), (326, 673900), (460, 477590), (575, 382072), (586, 374900), (652, 336950), (815, 269560), (920, 238795), (1150, 191036), (1172, 187450), (1304, 168475), (1465, 149960), (1630, 134780), (2300, 95518), (2344, 93725), (2930, 74980), (3260, 67390), (3749, 58600), (4075, 53912), (4600, 47759), (5860, 37490), (6520, 33695), (6739, 32600), (7325, 29992), (7498, 29300), (8150, 26956), (11720, 18745), (13478, 16300), (14650, 14996)]