78959200

素因数分解:

$2^5\times 5^2\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:680

約数の個数: 72

約数和(自身を含む): 194050080

約数和(自身を除く): 115090880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 229, 400, 431, 458, 800, 862, 916, 1145, 1724, 1832, 2155, 2290, 3448, 3664, 4310, 4580, 5725, 6896, 7328, 8620, 9160, 10775, 11450, 13792, 17240, 18320, 21550, 22900, 34480, 36640, 43100, 45800, 68960, 86200, 91600, 98699, 172400, 183200, 197398, 344800, 394796, 493495, 789592, 986990, 1579184, 1973980, 2467475, 3158368, 3947960, 4934950, 7895920, 9869900, 15791840, 19739800, 39479600, 78959200]

約数ペア:

[(1, 78959200), (2, 39479600), (4, 19739800), (5, 15791840), (8, 9869900), (10, 7895920), (16, 4934950), (20, 3947960), (25, 3158368), (32, 2467475), (40, 1973980), (50, 1579184), (80, 986990), (100, 789592), (160, 493495), (200, 394796), (229, 344800), (400, 197398), (431, 183200), (458, 172400), (800, 98699), (862, 91600), (916, 86200), (1145, 68960), (1724, 45800), (1832, 43100), (2155, 36640), (2290, 34480), (3448, 22900), (3664, 21550), (4310, 18320), (4580, 17240), (5725, 13792), (6896, 11450), (7328, 10775), (8620, 9160)]