28747950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 192

約数和(自身を含む): 94279680

約数和(自身を除く): 65531730

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 25, 30, 33, 35, 38, 42, 50, 55, 57, 66, 70, 75, 77, 95, 105, 110, 114, 131, 133, 150, 154, 165, 175, 190, 209, 210, 231, 262, 266, 275, 285, 330, 350, 385, 393, 399, 418, 462, 475, 525, 550, 570, 627, 655, 665, 770, 786, 798, 825, 917, 950, 1045, 1050, 1155, 1254, 1310, 1330, 1425, 1441, 1463, 1650, 1834, 1925, 1965, 1995, 2090, 2310, 2489, 2751, 2850, 2882, 2926, 3135, 3275, 3325, 3850, 3930, 3990, 4323, 4389, 4585, 4978, 5225, 5502, 5775, 6270, 6550, 6650, 7205, 7315, 7467, 8646, 8778, 9170, 9825, 9975, 10087, 10450, 11550, 12445, 13755, 14410, 14630, 14934, 15675, 17423, 19650, 19950, 20174, 21615, 21945, 22925, 24890, 27379, 27510, 30261, 31350, 34846, 36025, 36575, 37335, 43230, 43890, 45850, 50435, 52269, 54758, 60522, 62225, 68775, 72050, 73150, 74670, 82137, 87115, 100870, 104538, 108075, 109725, 124450, 136895, 137550, 151305, 164274, 174230, 186675, 191653, 216150, 219450, 252175, 261345, 273790, 302610, 373350, 383306, 410685, 435575, 504350, 522690, 574959, 684475, 756525, 821370, 871150, 958265, 1149918, 1306725, 1368950, 1513050, 1916530, 2053425, 2613450, 2874795, 4106850, 4791325, 5749590, 9582650, 14373975, 28747950]

約数ペア:

[(1, 28747950), (2, 14373975), (3, 9582650), (5, 5749590), (6, 4791325), (7, 4106850), (10, 2874795), (11, 2613450), (14, 2053425), (15, 1916530), (19, 1513050), (21, 1368950), (22, 1306725), (25, 1149918), (30, 958265), (33, 871150), (35, 821370), (38, 756525), (42, 684475), (50, 574959), (55, 522690), (57, 504350), (66, 435575), (70, 410685), (75, 383306), (77, 373350), (95, 302610), (105, 273790), (110, 261345), (114, 252175), (131, 219450), (133, 216150), (150, 191653), (154, 186675), (165, 174230), (175, 164274), (190, 151305), (209, 137550), (210, 136895), (231, 124450), (262, 109725), (266, 108075), (275, 104538), (285, 100870), (330, 87115), (350, 82137), (385, 74670), (393, 73150), (399, 72050), (418, 68775), (462, 62225), (475, 60522), (525, 54758), (550, 52269), (570, 50435), (627, 45850), (655, 43890), (665, 43230), (770, 37335), (786, 36575), (798, 36025), (825, 34846), (917, 31350), (950, 30261), (1045, 27510), (1050, 27379), (1155, 24890), (1254, 22925), (1310, 21945), (1330, 21615), (1425, 20174), (1441, 19950), (1463, 19650), (1650, 17423), (1834, 15675), (1925, 14934), (1965, 14630), (1995, 14410), (2090, 13755), (2310, 12445), (2489, 11550), (2751, 10450), (2850, 10087), (2882, 9975), (2926, 9825), (3135, 9170), (3275, 8778), (3325, 8646), (3850, 7467), (3930, 7315), (3990, 7205), (4323, 6650), (4389, 6550), (4585, 6270), (4978, 5775), (5225, 5502)]