515128900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 216

約数和(自身を含む): 1406722464

約数和(自身を除く): 891593564

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 25, 26, 34, 44, 50, 52, 55, 65, 68, 85, 100, 110, 130, 143, 163, 169, 170, 187, 220, 221, 260, 275, 286, 325, 326, 338, 340, 374, 425, 442, 550, 572, 650, 652, 676, 715, 748, 815, 845, 850, 884, 935, 1100, 1105, 1300, 1430, 1630, 1690, 1700, 1793, 1859, 1870, 2119, 2210, 2431, 2771, 2860, 2873, 3260, 3380, 3575, 3586, 3718, 3740, 4075, 4225, 4238, 4420, 4675, 4862, 5525, 5542, 5746, 7150, 7172, 7436, 8150, 8450, 8476, 8965, 9295, 9350, 9724, 10595, 11050, 11084, 11492, 12155, 13855, 14300, 14365, 16300, 16900, 17930, 18590, 18700, 21190, 22100, 23309, 24310, 27547, 27710, 28730, 30481, 31603, 35860, 36023, 37180, 42380, 44825, 46475, 46618, 48620, 52975, 55094, 55420, 57460, 60775, 60962, 63206, 69275, 71825, 72046, 89650, 92950, 93236, 105950, 110188, 116545, 121550, 121924, 126412, 137735, 138550, 143650, 144092, 152405, 158015, 179300, 180115, 185900, 211900, 233090, 243100, 275470, 277100, 287300, 303017, 304810, 316030, 360230, 396253, 466180, 468299, 550940, 582725, 606034, 609620, 632060, 688675, 720460, 762025, 790075, 792506, 900575, 936598, 1165450, 1212068, 1377350, 1515085, 1524050, 1580150, 1585012, 1801150, 1873196, 1981265, 2330900, 2341495, 2754700, 3030170, 3048100, 3160300, 3602300, 3962530, 4682990, 5151289, 6060340, 7575425, 7925060, 9365980, 9906325, 10302578, 11707475, 15150850, 19812650, 20605156, 23414950, 25756445, 30301700, 39625300, 46829900, 51512890, 103025780, 128782225, 257564450, 515128900]

約数ペア:

[(1, 515128900), (2, 257564450), (4, 128782225), (5, 103025780), (10, 51512890), (11, 46829900), (13, 39625300), (17, 30301700), (20, 25756445), (22, 23414950), (25, 20605156), (26, 19812650), (34, 15150850), (44, 11707475), (50, 10302578), (52, 9906325), (55, 9365980), (65, 7925060), (68, 7575425), (85, 6060340), (100, 5151289), (110, 4682990), (130, 3962530), (143, 3602300), (163, 3160300), (169, 3048100), (170, 3030170), (187, 2754700), (220, 2341495), (221, 2330900), (260, 1981265), (275, 1873196), (286, 1801150), (325, 1585012), (326, 1580150), (338, 1524050), (340, 1515085), (374, 1377350), (425, 1212068), (442, 1165450), (550, 936598), (572, 900575), (650, 792506), (652, 790075), (676, 762025), (715, 720460), (748, 688675), (815, 632060), (845, 609620), (850, 606034), (884, 582725), (935, 550940), (1100, 468299), (1105, 466180), (1300, 396253), (1430, 360230), (1630, 316030), (1690, 304810), (1700, 303017), (1793, 287300), (1859, 277100), (1870, 275470), (2119, 243100), (2210, 233090), (2431, 211900), (2771, 185900), (2860, 180115), (2873, 179300), (3260, 158015), (3380, 152405), (3575, 144092), (3586, 143650), (3718, 138550), (3740, 137735), (4075, 126412), (4225, 121924), (4238, 121550), (4420, 116545), (4675, 110188), (4862, 105950), (5525, 93236), (5542, 92950), (5746, 89650), (7150, 72046), (7172, 71825), (7436, 69275), (8150, 63206), (8450, 60962), (8476, 60775), (8965, 57460), (9295, 55420), (9350, 55094), (9724, 52975), (10595, 48620), (11050, 46618), (11084, 46475), (11492, 44825), (12155, 42380), (13855, 37180), (14300, 36023), (14365, 35860), (16300, 31603), (16900, 30481), (17930, 28730), (18590, 27710), (18700, 27547), (21190, 24310), (22100, 23309)]