39499020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19949}}^1$

素因数の和:19975

約数の個数: 72

約数和(自身を含む): 130712400

約数和(自身を除く): 91213380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 19949, 39898, 59847, 79796, 99745, 119694, 179541, 199490, 219439, 239388, 299235, 359082, 398980, 438878, 598470, 658317, 718164, 877756, 897705, 1097195, 1196940, 1316634, 1795410, 1974951, 2194390, 2633268, 3291585, 3590820, 3949902, 4388780, 6583170, 7899804, 9874755, 13166340, 19749510, 39499020]

約数ペア:

[(1, 39499020), (2, 19749510), (3, 13166340), (4, 9874755), (5, 7899804), (6, 6583170), (9, 4388780), (10, 3949902), (11, 3590820), (12, 3291585), (15, 2633268), (18, 2194390), (20, 1974951), (22, 1795410), (30, 1316634), (33, 1196940), (36, 1097195), (44, 897705), (45, 877756), (55, 718164), (60, 658317), (66, 598470), (90, 438878), (99, 398980), (110, 359082), (132, 299235), (165, 239388), (180, 219439), (198, 199490), (220, 179541), (330, 119694), (396, 99745), (495, 79796), (660, 59847), (990, 39898), (1980, 19949)]