1208992420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1063}}^1$

素因数の和:1205

約数の個数: 96

約数和(自身を含む): 2777806080

約数和(自身を除く): 1568813660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 73, 76, 82, 95, 146, 164, 190, 205, 292, 365, 380, 410, 730, 779, 820, 1063, 1387, 1460, 1558, 2126, 2774, 2993, 3116, 3895, 4252, 5315, 5548, 5986, 6935, 7790, 10630, 11972, 13870, 14965, 15580, 20197, 21260, 27740, 29930, 40394, 43583, 56867, 59860, 77599, 80788, 87166, 100985, 113734, 155198, 174332, 201970, 217915, 227468, 284335, 310396, 387995, 403940, 435830, 568670, 775990, 828077, 871660, 1137340, 1474381, 1551980, 1656154, 2948762, 3181559, 3312308, 4140385, 5897524, 6363118, 7371905, 8280770, 12726236, 14743810, 15907795, 16561540, 29487620, 31815590, 60449621, 63631180, 120899242, 241798484, 302248105, 604496210, 1208992420]

約数ペア:

[(1, 1208992420), (2, 604496210), (4, 302248105), (5, 241798484), (10, 120899242), (19, 63631180), (20, 60449621), (38, 31815590), (41, 29487620), (73, 16561540), (76, 15907795), (82, 14743810), (95, 12726236), (146, 8280770), (164, 7371905), (190, 6363118), (205, 5897524), (292, 4140385), (365, 3312308), (380, 3181559), (410, 2948762), (730, 1656154), (779, 1551980), (820, 1474381), (1063, 1137340), (1387, 871660), (1460, 828077), (1558, 775990), (2126, 568670), (2774, 435830), (2993, 403940), (3116, 387995), (3895, 310396), (4252, 284335), (5315, 227468), (5548, 217915), (5986, 201970), (6935, 174332), (7790, 155198), (10630, 113734), (11972, 100985), (13870, 87166), (14965, 80788), (15580, 77599), (20197, 59860), (21260, 56867), (27740, 43583), (29930, 40394)]