197256780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9209}}^1$

素因数の和:9248

約数の個数: 144

約数和(自身を含む): 724127040

約数和(自身を除く): 526870260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 9209, 10710, 18418, 21420, 27627, 36836, 46045, 55254, 64463, 82881, 92090, 110508, 128926, 138135, 156553, 165762, 184180, 193389, 257852, 276270, 313106, 322315, 331524, 386778, 414405, 469659, 552540, 580167, 626212, 644630, 773556, 782765, 828810, 939318, 966945, 1095871, 1160334, 1289260, 1408977, 1565530, 1657620, 1878636, 1933890, 2191742, 2320668, 2348295, 2817954, 2900835, 3131060, 3287613, 3867780, 4383484, 4696590, 5479355, 5635908, 5801670, 6575226, 7044885, 9393180, 9862839, 10958710, 11603340, 13150452, 14089770, 16438065, 19725678, 21917420, 28179540, 32876130, 39451356, 49314195, 65752260, 98628390, 197256780]

約数ペア:

[(1, 197256780), (2, 98628390), (3, 65752260), (4, 49314195), (5, 39451356), (6, 32876130), (7, 28179540), (9, 21917420), (10, 19725678), (12, 16438065), (14, 14089770), (15, 13150452), (17, 11603340), (18, 10958710), (20, 9862839), (21, 9393180), (28, 7044885), (30, 6575226), (34, 5801670), (35, 5635908), (36, 5479355), (42, 4696590), (45, 4383484), (51, 3867780), (60, 3287613), (63, 3131060), (68, 2900835), (70, 2817954), (84, 2348295), (85, 2320668), (90, 2191742), (102, 1933890), (105, 1878636), (119, 1657620), (126, 1565530), (140, 1408977), (153, 1289260), (170, 1160334), (180, 1095871), (204, 966945), (210, 939318), (238, 828810), (252, 782765), (255, 773556), (306, 644630), (315, 626212), (340, 580167), (357, 552540), (420, 469659), (476, 414405), (510, 386778), (595, 331524), (612, 322315), (630, 313106), (714, 276270), (765, 257852), (1020, 193389), (1071, 184180), (1190, 165762), (1260, 156553), (1428, 138135), (1530, 128926), (1785, 110508), (2142, 92090), (2380, 82881), (3060, 64463), (3570, 55254), (4284, 46045), (5355, 36836), (7140, 27627), (9209, 21420), (10710, 18418)]