172121260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 400099392

約数和(自身を除く): 227978132

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 61, 68, 85, 86, 122, 170, 172, 193, 215, 244, 305, 340, 386, 430, 610, 731, 772, 860, 965, 1037, 1220, 1462, 1930, 2074, 2623, 2924, 3281, 3655, 3860, 4148, 5185, 5246, 6562, 7310, 8299, 10370, 10492, 11773, 13115, 13124, 14620, 16405, 16598, 20740, 23546, 26230, 32810, 33196, 41495, 44591, 47092, 52460, 58865, 65620, 82990, 89182, 117730, 141083, 165980, 178364, 200141, 222955, 235460, 282166, 400282, 445910, 506239, 564332, 705415, 800564, 891820, 1000705, 1012478, 1410830, 2001410, 2024956, 2531195, 2821660, 4002820, 5062390, 8606063, 10124780, 17212126, 34424252, 43030315, 86060630, 172121260]

約数ペア:

[(1, 172121260), (2, 86060630), (4, 43030315), (5, 34424252), (10, 17212126), (17, 10124780), (20, 8606063), (34, 5062390), (43, 4002820), (61, 2821660), (68, 2531195), (85, 2024956), (86, 2001410), (122, 1410830), (170, 1012478), (172, 1000705), (193, 891820), (215, 800564), (244, 705415), (305, 564332), (340, 506239), (386, 445910), (430, 400282), (610, 282166), (731, 235460), (772, 222955), (860, 200141), (965, 178364), (1037, 165980), (1220, 141083), (1462, 117730), (1930, 89182), (2074, 82990), (2623, 65620), (2924, 58865), (3281, 52460), (3655, 47092), (3860, 44591), (4148, 41495), (5185, 33196), (5246, 32810), (6562, 26230), (7310, 23546), (8299, 20740), (10370, 16598), (10492, 16405), (11773, 14620), (13115, 13124)]