203854760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2081}}^1$

素因数の和:2202

約数の個数: 64

約数和(自身を含む): 479692800

約数和(自身を除く): 275838040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2081, 2449, 3160, 4162, 4898, 8324, 9796, 10405, 12245, 16648, 19592, 20810, 24490, 41620, 48980, 64511, 83240, 97960, 129022, 164399, 258044, 322555, 328798, 516088, 645110, 657596, 821995, 1290220, 1315192, 1643990, 2580440, 3287980, 5096369, 6575960, 10192738, 20385476, 25481845, 40770952, 50963690, 101927380, 203854760]

約数ペア:

[(1, 203854760), (2, 101927380), (4, 50963690), (5, 40770952), (8, 25481845), (10, 20385476), (20, 10192738), (31, 6575960), (40, 5096369), (62, 3287980), (79, 2580440), (124, 1643990), (155, 1315192), (158, 1290220), (248, 821995), (310, 657596), (316, 645110), (395, 516088), (620, 328798), (632, 322555), (790, 258044), (1240, 164399), (1580, 129022), (2081, 97960), (2449, 83240), (3160, 64511), (4162, 48980), (4898, 41620), (8324, 24490), (9796, 20810), (10405, 19592), (12245, 16648)]