25551900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 91400400

約数和(自身を除く): 65848500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 29, 30, 33, 36, 44, 45, 50, 55, 58, 60, 66, 75, 87, 89, 90, 99, 100, 110, 116, 132, 145, 150, 165, 174, 178, 180, 198, 220, 225, 261, 267, 275, 290, 300, 319, 330, 348, 356, 396, 435, 445, 450, 495, 522, 534, 550, 580, 638, 660, 725, 801, 825, 870, 890, 900, 957, 979, 990, 1044, 1068, 1100, 1276, 1305, 1335, 1450, 1595, 1602, 1650, 1740, 1780, 1914, 1958, 1980, 2175, 2225, 2475, 2581, 2610, 2670, 2871, 2900, 2937, 3190, 3204, 3300, 3828, 3916, 4005, 4350, 4450, 4785, 4895, 4950, 5162, 5220, 5340, 5742, 5874, 6380, 6525, 6675, 7743, 7975, 8010, 8700, 8811, 8900, 9570, 9790, 9900, 10324, 11484, 11748, 12905, 13050, 13350, 14355, 14685, 15486, 15950, 16020, 17622, 19140, 19580, 20025, 23229, 23925, 24475, 25810, 26100, 26700, 28391, 28710, 29370, 30972, 31900, 35244, 38715, 40050, 44055, 46458, 47850, 48950, 51620, 56782, 57420, 58740, 64525, 71775, 73425, 77430, 80100, 85173, 88110, 92916, 95700, 97900, 113564, 116145, 129050, 141955, 143550, 146850, 154860, 170346, 176220, 193575, 220275, 232290, 255519, 258100, 283910, 287100, 293700, 340692, 387150, 425865, 440550, 464580, 511038, 567820, 580725, 709775, 774300, 851730, 881100, 1022076, 1161450, 1277595, 1419550, 1703460, 2129325, 2322900, 2555190, 2839100, 4258650, 5110380, 6387975, 8517300, 12775950, 25551900]

約数ペア:

[(1, 25551900), (2, 12775950), (3, 8517300), (4, 6387975), (5, 5110380), (6, 4258650), (9, 2839100), (10, 2555190), (11, 2322900), (12, 2129325), (15, 1703460), (18, 1419550), (20, 1277595), (22, 1161450), (25, 1022076), (29, 881100), (30, 851730), (33, 774300), (36, 709775), (44, 580725), (45, 567820), (50, 511038), (55, 464580), (58, 440550), (60, 425865), (66, 387150), (75, 340692), (87, 293700), (89, 287100), (90, 283910), (99, 258100), (100, 255519), (110, 232290), (116, 220275), (132, 193575), (145, 176220), (150, 170346), (165, 154860), (174, 146850), (178, 143550), (180, 141955), (198, 129050), (220, 116145), (225, 113564), (261, 97900), (267, 95700), (275, 92916), (290, 88110), (300, 85173), (319, 80100), (330, 77430), (348, 73425), (356, 71775), (396, 64525), (435, 58740), (445, 57420), (450, 56782), (495, 51620), (522, 48950), (534, 47850), (550, 46458), (580, 44055), (638, 40050), (660, 38715), (725, 35244), (801, 31900), (825, 30972), (870, 29370), (890, 28710), (900, 28391), (957, 26700), (979, 26100), (990, 25810), (1044, 24475), (1068, 23925), (1100, 23229), (1276, 20025), (1305, 19580), (1335, 19140), (1450, 17622), (1595, 16020), (1602, 15950), (1650, 15486), (1740, 14685), (1780, 14355), (1914, 13350), (1958, 13050), (1980, 12905), (2175, 11748), (2225, 11484), (2475, 10324), (2581, 9900), (2610, 9790), (2670, 9570), (2871, 8900), (2900, 8811), (2937, 8700), (3190, 8010), (3204, 7975), (3300, 7743), (3828, 6675), (3916, 6525), (4005, 6380), (4350, 5874), (4450, 5742), (4785, 5340), (4895, 5220), (4950, 5162)]