194710520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{1019}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 465976800

約数和(自身を除く): 271266280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 281, 340, 562, 680, 1019, 1124, 1405, 2038, 2248, 2810, 4076, 4777, 5095, 5620, 8152, 9554, 10190, 11240, 17323, 19108, 20380, 23885, 34646, 38216, 40760, 47770, 69292, 86615, 95540, 138584, 173230, 191080, 286339, 346460, 572678, 692920, 1145356, 1431695, 2290712, 2863390, 4867763, 5726780, 9735526, 11453560, 19471052, 24338815, 38942104, 48677630, 97355260, 194710520]

約数ペア:

[(1, 194710520), (2, 97355260), (4, 48677630), (5, 38942104), (8, 24338815), (10, 19471052), (17, 11453560), (20, 9735526), (34, 5726780), (40, 4867763), (68, 2863390), (85, 2290712), (136, 1431695), (170, 1145356), (281, 692920), (340, 572678), (562, 346460), (680, 286339), (1019, 191080), (1124, 173230), (1405, 138584), (2038, 95540), (2248, 86615), (2810, 69292), (4076, 47770), (4777, 40760), (5095, 38216), (5620, 34646), (8152, 23885), (9554, 20380), (10190, 19108), (11240, 17323)]