255750400

素因数分解:

$2^8\times 5^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:564

約数の個数: 108

約数和(自身を含む): 641560500

約数和(自身を除く): 385810100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 128, 160, 178, 200, 256, 320, 356, 400, 445, 449, 640, 712, 800, 890, 898, 1280, 1424, 1600, 1780, 1796, 2225, 2245, 2848, 3200, 3560, 3592, 4450, 4490, 5696, 6400, 7120, 7184, 8900, 8980, 11225, 11392, 14240, 14368, 17800, 17960, 22450, 22784, 28480, 28736, 35600, 35920, 39961, 44900, 56960, 57472, 71200, 71840, 79922, 89800, 113920, 114944, 142400, 143680, 159844, 179600, 199805, 284800, 287360, 319688, 359200, 399610, 569600, 574720, 639376, 718400, 799220, 999025, 1278752, 1436800, 1598440, 1998050, 2557504, 2873600, 3196880, 3996100, 5115008, 6393760, 7992200, 10230016, 12787520, 15984400, 25575040, 31968800, 51150080, 63937600, 127875200, 255750400]

約数ペア:

[(1, 255750400), (2, 127875200), (4, 63937600), (5, 51150080), (8, 31968800), (10, 25575040), (16, 15984400), (20, 12787520), (25, 10230016), (32, 7992200), (40, 6393760), (50, 5115008), (64, 3996100), (80, 3196880), (89, 2873600), (100, 2557504), (128, 1998050), (160, 1598440), (178, 1436800), (200, 1278752), (256, 999025), (320, 799220), (356, 718400), (400, 639376), (445, 574720), (449, 569600), (640, 399610), (712, 359200), (800, 319688), (890, 287360), (898, 284800), (1280, 199805), (1424, 179600), (1600, 159844), (1780, 143680), (1796, 142400), (2225, 114944), (2245, 113920), (2848, 89800), (3200, 79922), (3560, 71840), (3592, 71200), (4450, 57472), (4490, 56960), (5696, 44900), (6400, 39961), (7120, 35920), (7184, 35600), (8900, 28736), (8980, 28480), (11225, 22784), (11392, 22450), (14240, 17960), (14368, 17800)]