31088750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 160

約数和(自身を含む): 80974080

約数和(自身を除く): 49885330

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 19, 22, 25, 34, 35, 38, 50, 55, 70, 77, 85, 95, 110, 119, 125, 133, 154, 170, 175, 187, 190, 209, 238, 250, 266, 275, 323, 350, 374, 385, 418, 425, 475, 550, 595, 625, 646, 665, 770, 850, 875, 935, 950, 1045, 1190, 1250, 1309, 1330, 1375, 1463, 1615, 1750, 1870, 1925, 2090, 2125, 2261, 2375, 2618, 2750, 2926, 2975, 3230, 3325, 3553, 3850, 4250, 4375, 4522, 4675, 4750, 5225, 5950, 6545, 6650, 6875, 7106, 7315, 8075, 8750, 9350, 9625, 10450, 10625, 11305, 11875, 13090, 13750, 14630, 14875, 16150, 16625, 17765, 19250, 21250, 22610, 23375, 23750, 24871, 26125, 29750, 32725, 33250, 35530, 36575, 40375, 46750, 48125, 49742, 52250, 56525, 65450, 73150, 74375, 80750, 83125, 88825, 96250, 113050, 116875, 124355, 130625, 148750, 163625, 166250, 177650, 182875, 201875, 233750, 248710, 261250, 282625, 327250, 365750, 403750, 444125, 565250, 621775, 818125, 888250, 914375, 1243550, 1413125, 1636250, 1828750, 2220625, 2826250, 3108875, 4441250, 6217750, 15544375, 31088750]

約数ペア:

[(1, 31088750), (2, 15544375), (5, 6217750), (7, 4441250), (10, 3108875), (11, 2826250), (14, 2220625), (17, 1828750), (19, 1636250), (22, 1413125), (25, 1243550), (34, 914375), (35, 888250), (38, 818125), (50, 621775), (55, 565250), (70, 444125), (77, 403750), (85, 365750), (95, 327250), (110, 282625), (119, 261250), (125, 248710), (133, 233750), (154, 201875), (170, 182875), (175, 177650), (187, 166250), (190, 163625), (209, 148750), (238, 130625), (250, 124355), (266, 116875), (275, 113050), (323, 96250), (350, 88825), (374, 83125), (385, 80750), (418, 74375), (425, 73150), (475, 65450), (550, 56525), (595, 52250), (625, 49742), (646, 48125), (665, 46750), (770, 40375), (850, 36575), (875, 35530), (935, 33250), (950, 32725), (1045, 29750), (1190, 26125), (1250, 24871), (1309, 23750), (1330, 23375), (1375, 22610), (1463, 21250), (1615, 19250), (1750, 17765), (1870, 16625), (1925, 16150), (2090, 14875), (2125, 14630), (2261, 13750), (2375, 13090), (2618, 11875), (2750, 11305), (2926, 10625), (2975, 10450), (3230, 9625), (3325, 9350), (3553, 8750), (3850, 8075), (4250, 7315), (4375, 7106), (4522, 6875), (4675, 6650), (4750, 6545), (5225, 5950)]