201220330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 408146688

約数和(自身を除く): 206926358

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 53, 85, 106, 115, 170, 230, 265, 391, 530, 782, 901, 971, 1219, 1802, 1942, 1955, 2438, 3910, 4505, 4855, 6095, 9010, 9710, 12190, 16507, 20723, 22333, 33014, 41446, 44666, 51463, 82535, 102926, 103615, 111665, 165070, 207230, 223330, 257315, 379661, 514630, 759322, 874871, 1183649, 1749742, 1898305, 2367298, 3796610, 4374355, 5918245, 8748710, 11836490, 20122033, 40244066, 100610165, 201220330]

約数ペア:

[(1, 201220330), (2, 100610165), (5, 40244066), (10, 20122033), (17, 11836490), (23, 8748710), (34, 5918245), (46, 4374355), (53, 3796610), (85, 2367298), (106, 1898305), (115, 1749742), (170, 1183649), (230, 874871), (265, 759322), (391, 514630), (530, 379661), (782, 257315), (901, 223330), (971, 207230), (1219, 165070), (1802, 111665), (1942, 103615), (1955, 102926), (2438, 82535), (3910, 51463), (4505, 44666), (4855, 41446), (6095, 33014), (9010, 22333), (9710, 20723), (12190, 16507)]