207948880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 500753664

約数和(自身を除く): 292804784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 163, 185, 296, 326, 370, 431, 592, 652, 740, 815, 862, 1304, 1480, 1630, 1724, 2155, 2608, 2960, 3260, 3448, 4310, 6031, 6520, 6896, 8620, 12062, 13040, 15947, 17240, 24124, 30155, 31894, 34480, 48248, 60310, 63788, 70253, 79735, 96496, 120620, 127576, 140506, 159470, 241240, 255152, 281012, 318940, 351265, 482480, 562024, 637880, 702530, 1124048, 1275760, 1405060, 2599361, 2810120, 5198722, 5620240, 10397444, 12996805, 20794888, 25993610, 41589776, 51987220, 103974440, 207948880]

約数ペア:

[(1, 207948880), (2, 103974440), (4, 51987220), (5, 41589776), (8, 25993610), (10, 20794888), (16, 12996805), (20, 10397444), (37, 5620240), (40, 5198722), (74, 2810120), (80, 2599361), (148, 1405060), (163, 1275760), (185, 1124048), (296, 702530), (326, 637880), (370, 562024), (431, 482480), (592, 351265), (652, 318940), (740, 281012), (815, 255152), (862, 241240), (1304, 159470), (1480, 140506), (1630, 127576), (1724, 120620), (2155, 96496), (2608, 79735), (2960, 70253), (3260, 63788), (3448, 60310), (4310, 48248), (6031, 34480), (6520, 31894), (6896, 30155), (8620, 24124), (12062, 17240), (13040, 15947)]