285520788

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 180

約数和(自身を含む): 888170976

約数和(自身を除く): 602650188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 81, 84, 93, 108, 124, 126, 131, 162, 186, 189, 217, 252, 262, 279, 324, 372, 378, 393, 434, 524, 558, 567, 651, 756, 786, 837, 868, 917, 961, 1116, 1134, 1179, 1302, 1572, 1674, 1834, 1922, 1953, 2268, 2358, 2511, 2604, 2751, 2883, 3348, 3537, 3668, 3844, 3906, 4061, 4716, 5022, 5502, 5766, 5859, 6727, 7074, 7812, 8122, 8253, 8649, 10044, 10611, 11004, 11532, 11718, 12183, 13454, 14148, 16244, 16506, 17298, 17577, 20181, 21222, 23436, 24366, 24759, 25947, 26908, 28427, 33012, 34596, 35154, 36549, 40362, 42444, 48732, 49518, 51894, 56854, 60543, 70308, 73098, 74277, 77841, 80724, 85281, 99036, 103788, 109647, 113708, 121086, 125891, 146196, 148554, 155682, 170562, 181629, 219294, 242172, 251782, 255843, 297108, 311364, 328941, 341124, 363258, 377673, 438588, 503564, 511686, 544887, 657882, 726516, 755346, 767529, 881237, 1023372, 1089774, 1133019, 1315764, 1510692, 1535058, 1762474, 2179548, 2266038, 2302587, 2643711, 3070116, 3399057, 3524948, 4532076, 4605174, 5287422, 6798114, 7931133, 9210348, 10197171, 10574844, 13596228, 15862266, 20394342, 23793399, 31724532, 40788684, 47586798, 71380197, 95173596, 142760394, 285520788]

約数ペア:

[(1, 285520788), (2, 142760394), (3, 95173596), (4, 71380197), (6, 47586798), (7, 40788684), (9, 31724532), (12, 23793399), (14, 20394342), (18, 15862266), (21, 13596228), (27, 10574844), (28, 10197171), (31, 9210348), (36, 7931133), (42, 6798114), (54, 5287422), (62, 4605174), (63, 4532076), (81, 3524948), (84, 3399057), (93, 3070116), (108, 2643711), (124, 2302587), (126, 2266038), (131, 2179548), (162, 1762474), (186, 1535058), (189, 1510692), (217, 1315764), (252, 1133019), (262, 1089774), (279, 1023372), (324, 881237), (372, 767529), (378, 755346), (393, 726516), (434, 657882), (524, 544887), (558, 511686), (567, 503564), (651, 438588), (756, 377673), (786, 363258), (837, 341124), (868, 328941), (917, 311364), (961, 297108), (1116, 255843), (1134, 251782), (1179, 242172), (1302, 219294), (1572, 181629), (1674, 170562), (1834, 155682), (1922, 148554), (1953, 146196), (2268, 125891), (2358, 121086), (2511, 113708), (2604, 109647), (2751, 103788), (2883, 99036), (3348, 85281), (3537, 80724), (3668, 77841), (3844, 74277), (3906, 73098), (4061, 70308), (4716, 60543), (5022, 56854), (5502, 51894), (5766, 49518), (5859, 48732), (6727, 42444), (7074, 40362), (7812, 36549), (8122, 35154), (8253, 34596), (8649, 33012), (10044, 28427), (10611, 26908), (11004, 25947), (11532, 24759), (11718, 24366), (12183, 23436), (13454, 21222), (14148, 20181), (16244, 17577), (16506, 17298)]