201318370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 405907200

約数和(自身を除く): 204588830

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 149, 173, 298, 346, 355, 710, 745, 781, 865, 1490, 1562, 1639, 1730, 1903, 3278, 3806, 3905, 7810, 8195, 9515, 10579, 12283, 16390, 19030, 21158, 24566, 25777, 51554, 52895, 61415, 105790, 116369, 122830, 128885, 135113, 232738, 257770, 270226, 283547, 567094, 581845, 675565, 1163690, 1351130, 1417735, 1830167, 2835470, 3660334, 9150835, 18301670, 20131837, 40263674, 100659185, 201318370]

約数ペア:

[(1, 201318370), (2, 100659185), (5, 40263674), (10, 20131837), (11, 18301670), (22, 9150835), (55, 3660334), (71, 2835470), (110, 1830167), (142, 1417735), (149, 1351130), (173, 1163690), (298, 675565), (346, 581845), (355, 567094), (710, 283547), (745, 270226), (781, 257770), (865, 232738), (1490, 135113), (1562, 128885), (1639, 122830), (1730, 116369), (1903, 105790), (3278, 61415), (3806, 52895), (3905, 51554), (7810, 25777), (8195, 24566), (9515, 21158), (10579, 19030), (12283, 16390)]