201991290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{3527}}^1$

素因数の和:3643

約数の個数: 64

約数和(自身を含む): 512096256

約数和(自身を除く): 310104966

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 83, 115, 138, 166, 230, 249, 345, 415, 498, 690, 830, 1245, 1909, 2490, 3527, 3818, 5727, 7054, 9545, 10581, 11454, 17635, 19090, 21162, 28635, 35270, 52905, 57270, 81121, 105810, 162242, 243363, 292741, 405605, 486726, 585482, 811210, 878223, 1216815, 1463705, 1756446, 2433630, 2927410, 4391115, 6733043, 8782230, 13466086, 20199129, 33665215, 40398258, 67330430, 100995645, 201991290]

約数ペア:

[(1, 201991290), (2, 100995645), (3, 67330430), (5, 40398258), (6, 33665215), (10, 20199129), (15, 13466086), (23, 8782230), (30, 6733043), (46, 4391115), (69, 2927410), (83, 2433630), (115, 1756446), (138, 1463705), (166, 1216815), (230, 878223), (249, 811210), (345, 585482), (415, 486726), (498, 405605), (690, 292741), (830, 243363), (1245, 162242), (1909, 105810), (2490, 81121), (3527, 57270), (3818, 52905), (5727, 35270), (7054, 28635), (9545, 21162), (10581, 19090), (11454, 17635)]