221063560

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1993}}^1$

素因数の和:2110

約数の個数: 64

約数和(自身を含む): 516844800

約数和(自身を除く): 295781240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 59, 94, 118, 188, 235, 236, 295, 376, 470, 472, 590, 940, 1180, 1880, 1993, 2360, 2773, 3986, 5546, 7972, 9965, 11092, 13865, 15944, 19930, 22184, 27730, 39860, 55460, 79720, 93671, 110920, 117587, 187342, 235174, 374684, 468355, 470348, 587935, 749368, 936710, 940696, 1175870, 1873420, 2351740, 3746840, 4703480, 5526589, 11053178, 22106356, 27632945, 44212712, 55265890, 110531780, 221063560]

約数ペア:

[(1, 221063560), (2, 110531780), (4, 55265890), (5, 44212712), (8, 27632945), (10, 22106356), (20, 11053178), (40, 5526589), (47, 4703480), (59, 3746840), (94, 2351740), (118, 1873420), (188, 1175870), (235, 940696), (236, 936710), (295, 749368), (376, 587935), (470, 470348), (472, 468355), (590, 374684), (940, 235174), (1180, 187342), (1880, 117587), (1993, 110920), (2360, 93671), (2773, 79720), (3986, 55460), (5546, 39860), (7972, 27730), (9965, 22184), (11092, 19930), (13865, 15944)]