1900478700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:623

約数の個数: 216

約数和(自身を含む): 6224570352

約数和(自身を除く): 4324091652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 197, 225, 243, 270, 300, 324, 394, 397, 405, 450, 486, 540, 591, 675, 788, 794, 810, 900, 972, 985, 1182, 1191, 1215, 1350, 1588, 1620, 1773, 1970, 1985, 2025, 2364, 2382, 2430, 2700, 2955, 3546, 3573, 3940, 3970, 4050, 4764, 4860, 4925, 5319, 5910, 5955, 6075, 7092, 7146, 7940, 8100, 8865, 9850, 9925, 10638, 10719, 11820, 11910, 12150, 14292, 14775, 15957, 17730, 17865, 19700, 19850, 21276, 21438, 23820, 24300, 26595, 29550, 29775, 31914, 32157, 35460, 35730, 39700, 42876, 44325, 47871, 53190, 53595, 59100, 59550, 63828, 64314, 71460, 78209, 79785, 88650, 89325, 95742, 96471, 106380, 107190, 119100, 128628, 132975, 156418, 159570, 160785, 177300, 178650, 191484, 192942, 214380, 234627, 239355, 265950, 267975, 312836, 319140, 321570, 357300, 385884, 391045, 398925, 469254, 478710, 482355, 531900, 535950, 643140, 703881, 782090, 797850, 803925, 938508, 957420, 964710, 1071900, 1173135, 1196775, 1407762, 1564180, 1595700, 1607850, 1929420, 1955225, 2111643, 2346270, 2393550, 2411775, 2815524, 3215700, 3519405, 3910450, 4223286, 4692540, 4787100, 4823550, 5865675, 6334929, 7038810, 7820900, 8446572, 9647100, 10558215, 11731350, 12669858, 14077620, 17597025, 19004787, 21116430, 23462700, 25339716, 31674645, 35194050, 38009574, 42232860, 52791075, 63349290, 70388100, 76019148, 95023935, 105582150, 126698580, 158373225, 190047870, 211164300, 316746450, 380095740, 475119675, 633492900, 950239350, 1900478700]

約数ペア:

[(1, 1900478700), (2, 950239350), (3, 633492900), (4, 475119675), (5, 380095740), (6, 316746450), (9, 211164300), (10, 190047870), (12, 158373225), (15, 126698580), (18, 105582150), (20, 95023935), (25, 76019148), (27, 70388100), (30, 63349290), (36, 52791075), (45, 42232860), (50, 38009574), (54, 35194050), (60, 31674645), (75, 25339716), (81, 23462700), (90, 21116430), (100, 19004787), (108, 17597025), (135, 14077620), (150, 12669858), (162, 11731350), (180, 10558215), (197, 9647100), (225, 8446572), (243, 7820900), (270, 7038810), (300, 6334929), (324, 5865675), (394, 4823550), (397, 4787100), (405, 4692540), (450, 4223286), (486, 3910450), (540, 3519405), (591, 3215700), (675, 2815524), (788, 2411775), (794, 2393550), (810, 2346270), (900, 2111643), (972, 1955225), (985, 1929420), (1182, 1607850), (1191, 1595700), (1215, 1564180), (1350, 1407762), (1588, 1196775), (1620, 1173135), (1773, 1071900), (1970, 964710), (1985, 957420), (2025, 938508), (2364, 803925), (2382, 797850), (2430, 782090), (2700, 703881), (2955, 643140), (3546, 535950), (3573, 531900), (3940, 482355), (3970, 478710), (4050, 469254), (4764, 398925), (4860, 391045), (4925, 385884), (5319, 357300), (5910, 321570), (5955, 319140), (6075, 312836), (7092, 267975), (7146, 265950), (7940, 239355), (8100, 234627), (8865, 214380), (9850, 192942), (9925, 191484), (10638, 178650), (10719, 177300), (11820, 160785), (11910, 159570), (12150, 156418), (14292, 132975), (14775, 128628), (15957, 119100), (17730, 107190), (17865, 106380), (19700, 96471), (19850, 95742), (21276, 89325), (21438, 88650), (23820, 79785), (24300, 78209), (26595, 71460), (29550, 64314), (29775, 63828), (31914, 59550), (32157, 59100), (35460, 53595), (35730, 53190), (39700, 47871), (42876, 44325)]