201976040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{103049}}^1$

素因数の和:103074

約数の個数: 48

約数和(自身を含む): 528646500

約数和(自身を除く): 326670460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 103049, 206098, 412196, 515245, 721343, 824392, 1030490, 1442686, 2060980, 2885372, 3606715, 4121960, 5049401, 5770744, 7213430, 10098802, 14426860, 20197604, 25247005, 28853720, 40395208, 50494010, 100988020, 201976040]

約数ペア:

[(1, 201976040), (2, 100988020), (4, 50494010), (5, 40395208), (7, 28853720), (8, 25247005), (10, 20197604), (14, 14426860), (20, 10098802), (28, 7213430), (35, 5770744), (40, 5049401), (49, 4121960), (56, 3606715), (70, 2885372), (98, 2060980), (140, 1442686), (196, 1030490), (245, 824392), (280, 721343), (392, 515245), (490, 412196), (980, 206098), (1960, 103049)]