204025600

素因数分解:

$2^8\times 5^2\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:546

約数の個数: 108

約数和(自身を含む): 513248400

約数和(自身を除く): 309222800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 128, 142, 160, 200, 256, 284, 320, 355, 400, 449, 568, 640, 710, 800, 898, 1136, 1280, 1420, 1600, 1775, 1796, 2245, 2272, 2840, 3200, 3550, 3592, 4490, 4544, 5680, 6400, 7100, 7184, 8980, 9088, 11225, 11360, 14200, 14368, 17960, 18176, 22450, 22720, 28400, 28736, 31879, 35920, 44900, 45440, 56800, 57472, 63758, 71840, 89800, 90880, 113600, 114944, 127516, 143680, 159395, 179600, 227200, 255032, 287360, 318790, 359200, 454400, 510064, 574720, 637580, 718400, 796975, 1020128, 1275160, 1436800, 1593950, 2040256, 2550320, 2873600, 3187900, 4080512, 5100640, 6375800, 8161024, 10201280, 12751600, 20402560, 25503200, 40805120, 51006400, 102012800, 204025600]

約数ペア:

[(1, 204025600), (2, 102012800), (4, 51006400), (5, 40805120), (8, 25503200), (10, 20402560), (16, 12751600), (20, 10201280), (25, 8161024), (32, 6375800), (40, 5100640), (50, 4080512), (64, 3187900), (71, 2873600), (80, 2550320), (100, 2040256), (128, 1593950), (142, 1436800), (160, 1275160), (200, 1020128), (256, 796975), (284, 718400), (320, 637580), (355, 574720), (400, 510064), (449, 454400), (568, 359200), (640, 318790), (710, 287360), (800, 255032), (898, 227200), (1136, 179600), (1280, 159395), (1420, 143680), (1600, 127516), (1775, 114944), (1796, 113600), (2245, 90880), (2272, 89800), (2840, 71840), (3200, 63758), (3550, 57472), (3592, 56800), (4490, 45440), (4544, 44900), (5680, 35920), (6400, 31879), (7100, 28736), (7184, 28400), (8980, 22720), (9088, 22450), (11225, 18176), (11360, 17960), (14200, 14368)]