97950020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{787}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 241468416

約数和(自身を除く): 143518396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 490, 508, 635, 787, 889, 980, 1270, 1574, 1778, 2540, 3148, 3556, 3935, 4445, 5509, 6223, 7870, 8890, 11018, 12446, 15740, 17780, 22036, 24892, 27545, 31115, 38563, 55090, 62230, 77126, 99949, 110180, 124460, 154252, 192815, 199898, 385630, 399796, 499745, 699643, 771260, 999490, 1399286, 1998980, 2798572, 3498215, 4897501, 6996430, 9795002, 13992860, 19590004, 24487505, 48975010, 97950020]

約数ペア:

[(1, 97950020), (2, 48975010), (4, 24487505), (5, 19590004), (7, 13992860), (10, 9795002), (14, 6996430), (20, 4897501), (28, 3498215), (35, 2798572), (49, 1998980), (70, 1399286), (98, 999490), (127, 771260), (140, 699643), (196, 499745), (245, 399796), (254, 385630), (490, 199898), (508, 192815), (635, 154252), (787, 124460), (889, 110180), (980, 99949), (1270, 77126), (1574, 62230), (1778, 55090), (2540, 38563), (3148, 31115), (3556, 27545), (3935, 24892), (4445, 22036), (5509, 17780), (6223, 15740), (7870, 12446), (8890, 11018)]