312472000

素因数分解:

$2^6\times 5^3\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:447

約数の個数: 112

約数和(自身を含む): 782177760

約数和(自身を除く): 469705760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 139, 160, 200, 250, 278, 281, 320, 400, 500, 556, 562, 695, 800, 1000, 1112, 1124, 1390, 1405, 1600, 2000, 2224, 2248, 2780, 2810, 3475, 4000, 4448, 4496, 5560, 5620, 6950, 7025, 8000, 8896, 8992, 11120, 11240, 13900, 14050, 17375, 17984, 22240, 22480, 27800, 28100, 34750, 35125, 39059, 44480, 44960, 55600, 56200, 69500, 70250, 78118, 89920, 111200, 112400, 139000, 140500, 156236, 195295, 222400, 224800, 278000, 281000, 312472, 390590, 449600, 556000, 562000, 624944, 781180, 976475, 1112000, 1124000, 1249888, 1562360, 1952950, 2248000, 2499776, 3124720, 3905900, 4882375, 6249440, 7811800, 9764750, 12498880, 15623600, 19529500, 31247200, 39059000, 62494400, 78118000, 156236000, 312472000]

約数ペア:

[(1, 312472000), (2, 156236000), (4, 78118000), (5, 62494400), (8, 39059000), (10, 31247200), (16, 19529500), (20, 15623600), (25, 12498880), (32, 9764750), (40, 7811800), (50, 6249440), (64, 4882375), (80, 3905900), (100, 3124720), (125, 2499776), (139, 2248000), (160, 1952950), (200, 1562360), (250, 1249888), (278, 1124000), (281, 1112000), (320, 976475), (400, 781180), (500, 624944), (556, 562000), (562, 556000), (695, 449600), (800, 390590), (1000, 312472), (1112, 281000), (1124, 278000), (1390, 224800), (1405, 222400), (1600, 195295), (2000, 156236), (2224, 140500), (2248, 139000), (2780, 112400), (2810, 111200), (3475, 89920), (4000, 78118), (4448, 70250), (4496, 69500), (5560, 56200), (5620, 55600), (6950, 44960), (7025, 44480), (8000, 39059), (8896, 35125), (8992, 34750), (11120, 28100), (11240, 27800), (13900, 22480), (14050, 22240), (17375, 17984)]