196990020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1277}}^1$

素因数の和:2149

約数の個数: 72

約数和(自身を含む): 598702104

約数和(自身を除く): 401712084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 857, 1277, 1714, 2554, 2571, 3428, 3831, 4285, 5108, 5142, 6385, 7662, 7713, 8570, 10284, 11493, 12770, 12855, 15324, 15426, 17140, 19155, 22986, 25540, 25710, 30852, 38310, 38565, 45972, 51420, 57465, 76620, 77130, 114930, 154260, 229860, 1094389, 2188778, 3283167, 4377556, 5471945, 6566334, 9849501, 10943890, 13132668, 16415835, 19699002, 21887780, 32831670, 39398004, 49247505, 65663340, 98495010, 196990020]

約数ペア:

[(1, 196990020), (2, 98495010), (3, 65663340), (4, 49247505), (5, 39398004), (6, 32831670), (9, 21887780), (10, 19699002), (12, 16415835), (15, 13132668), (18, 10943890), (20, 9849501), (30, 6566334), (36, 5471945), (45, 4377556), (60, 3283167), (90, 2188778), (180, 1094389), (857, 229860), (1277, 154260), (1714, 114930), (2554, 77130), (2571, 76620), (3428, 57465), (3831, 51420), (4285, 45972), (5108, 38565), (5142, 38310), (6385, 30852), (7662, 25710), (7713, 25540), (8570, 22986), (10284, 19155), (11493, 17140), (12770, 15426), (12855, 15324)]