201430780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 466234272

約数和(自身を除く): 264803492

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 361, 380, 437, 460, 722, 874, 1213, 1444, 1748, 1805, 2185, 2426, 3610, 4370, 4852, 6065, 7220, 8303, 8740, 12130, 16606, 23047, 24260, 27899, 33212, 41515, 46094, 55798, 83030, 92188, 111596, 115235, 139495, 166060, 230470, 278990, 437893, 460940, 530081, 557980, 875786, 1060162, 1751572, 2120324, 2189465, 2650405, 4378930, 5300810, 8757860, 10071539, 10601620, 20143078, 40286156, 50357695, 100715390, 201430780]

約数ペア:

[(1, 201430780), (2, 100715390), (4, 50357695), (5, 40286156), (10, 20143078), (19, 10601620), (20, 10071539), (23, 8757860), (38, 5300810), (46, 4378930), (76, 2650405), (92, 2189465), (95, 2120324), (115, 1751572), (190, 1060162), (230, 875786), (361, 557980), (380, 530081), (437, 460940), (460, 437893), (722, 278990), (874, 230470), (1213, 166060), (1444, 139495), (1748, 115235), (1805, 111596), (2185, 92188), (2426, 83030), (3610, 55798), (4370, 46094), (4852, 41515), (6065, 33212), (7220, 27899), (8303, 24260), (8740, 23047), (12130, 16606)]