201391540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 496742400

約数和(自身を除く): 295350860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 131, 139, 140, 158, 262, 278, 316, 395, 524, 553, 556, 655, 695, 790, 917, 973, 1106, 1310, 1390, 1580, 1834, 1946, 2212, 2620, 2765, 2780, 3668, 3892, 4585, 4865, 5530, 9170, 9730, 10349, 10981, 11060, 18209, 18340, 19460, 20698, 21962, 36418, 41396, 43924, 51745, 54905, 72443, 72836, 76867, 91045, 103490, 109810, 127463, 144886, 153734, 182090, 206980, 219620, 254926, 289772, 307468, 362215, 364180, 384335, 509852, 637315, 724430, 768670, 1274630, 1438511, 1448860, 1537340, 2549260, 2877022, 5754044, 7192555, 10069577, 14385110, 20139154, 28770220, 40278308, 50347885, 100695770, 201391540]

約数ペア:

[(1, 201391540), (2, 100695770), (4, 50347885), (5, 40278308), (7, 28770220), (10, 20139154), (14, 14385110), (20, 10069577), (28, 7192555), (35, 5754044), (70, 2877022), (79, 2549260), (131, 1537340), (139, 1448860), (140, 1438511), (158, 1274630), (262, 768670), (278, 724430), (316, 637315), (395, 509852), (524, 384335), (553, 364180), (556, 362215), (655, 307468), (695, 289772), (790, 254926), (917, 219620), (973, 206980), (1106, 182090), (1310, 153734), (1390, 144886), (1580, 127463), (1834, 109810), (1946, 103490), (2212, 91045), (2620, 76867), (2765, 72836), (2780, 72443), (3668, 54905), (3892, 51745), (4585, 43924), (4865, 41396), (5530, 36418), (9170, 21962), (9730, 20698), (10349, 19460), (10981, 18340), (11060, 18209)]