210879440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:700

約数の個数: 80

約数和(自身を含む): 505562880

約数和(自身を除く): 294683440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 79, 80, 122, 158, 244, 305, 316, 395, 488, 547, 610, 632, 790, 976, 1094, 1220, 1264, 1580, 2188, 2440, 2735, 3160, 4376, 4819, 4880, 5470, 6320, 8752, 9638, 10940, 19276, 21880, 24095, 33367, 38552, 43213, 43760, 48190, 66734, 77104, 86426, 96380, 133468, 166835, 172852, 192760, 216065, 266936, 333670, 345704, 385520, 432130, 533872, 667340, 691408, 864260, 1334680, 1728520, 2635993, 2669360, 3457040, 5271986, 10543972, 13179965, 21087944, 26359930, 42175888, 52719860, 105439720, 210879440]

約数ペア:

[(1, 210879440), (2, 105439720), (4, 52719860), (5, 42175888), (8, 26359930), (10, 21087944), (16, 13179965), (20, 10543972), (40, 5271986), (61, 3457040), (79, 2669360), (80, 2635993), (122, 1728520), (158, 1334680), (244, 864260), (305, 691408), (316, 667340), (395, 533872), (488, 432130), (547, 385520), (610, 345704), (632, 333670), (790, 266936), (976, 216065), (1094, 192760), (1220, 172852), (1264, 166835), (1580, 133468), (2188, 96380), (2440, 86426), (2735, 77104), (3160, 66734), (4376, 48190), (4819, 43760), (4880, 43213), (5470, 38552), (6320, 33367), (8752, 24095), (9638, 21880), (10940, 19276)]