222776800

素因数分解:

$2^5\times 5^2\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1292

約数の個数: 72

約数和(自身を含む): 546340032

約数和(自身を除く): 323563232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 281, 400, 562, 800, 991, 1124, 1405, 1982, 2248, 2810, 3964, 4496, 4955, 5620, 7025, 7928, 8992, 9910, 11240, 14050, 15856, 19820, 22480, 24775, 28100, 31712, 39640, 44960, 49550, 56200, 79280, 99100, 112400, 158560, 198200, 224800, 278471, 396400, 556942, 792800, 1113884, 1392355, 2227768, 2784710, 4455536, 5569420, 6961775, 8911072, 11138840, 13923550, 22277680, 27847100, 44555360, 55694200, 111388400, 222776800]

約数ペア:

[(1, 222776800), (2, 111388400), (4, 55694200), (5, 44555360), (8, 27847100), (10, 22277680), (16, 13923550), (20, 11138840), (25, 8911072), (32, 6961775), (40, 5569420), (50, 4455536), (80, 2784710), (100, 2227768), (160, 1392355), (200, 1113884), (281, 792800), (400, 556942), (562, 396400), (800, 278471), (991, 224800), (1124, 198200), (1405, 158560), (1982, 112400), (2248, 99100), (2810, 79280), (3964, 56200), (4496, 49550), (4955, 44960), (5620, 39640), (7025, 31712), (7928, 28100), (8992, 24775), (9910, 22480), (11240, 19820), (14050, 15856)]