68999800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{359}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 166228200

約数和(自身を除く): 97228400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 359, 620, 718, 775, 961, 1240, 1436, 1550, 1795, 1922, 2872, 3100, 3590, 3844, 4805, 6200, 7180, 7688, 8975, 9610, 11129, 14360, 17950, 19220, 22258, 24025, 35900, 38440, 44516, 48050, 55645, 71800, 89032, 96100, 111290, 192200, 222580, 278225, 344999, 445160, 556450, 689998, 1112900, 1379996, 1724995, 2225800, 2759992, 3449990, 6899980, 8624975, 13799960, 17249950, 34499900, 68999800]

約数ペア:

[(1, 68999800), (2, 34499900), (4, 17249950), (5, 13799960), (8, 8624975), (10, 6899980), (20, 3449990), (25, 2759992), (31, 2225800), (40, 1724995), (50, 1379996), (62, 1112900), (100, 689998), (124, 556450), (155, 445160), (200, 344999), (248, 278225), (310, 222580), (359, 192200), (620, 111290), (718, 96100), (775, 89032), (961, 71800), (1240, 55645), (1436, 48050), (1550, 44516), (1795, 38440), (1922, 35900), (2872, 24025), (3100, 22258), (3590, 19220), (3844, 17950), (4805, 14360), (6200, 11129), (7180, 9610), (7688, 8975)]