18705400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 51425280

約数和(自身を除く): 32719880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 431, 434, 620, 700, 775, 862, 868, 1085, 1240, 1400, 1550, 1724, 1736, 2155, 2170, 3017, 3100, 3448, 4310, 4340, 5425, 6034, 6200, 8620, 8680, 10775, 10850, 12068, 13361, 15085, 17240, 21550, 21700, 24136, 26722, 30170, 43100, 43400, 53444, 60340, 66805, 75425, 86200, 93527, 106888, 120680, 133610, 150850, 187054, 267220, 301700, 334025, 374108, 467635, 534440, 603400, 668050, 748216, 935270, 1336100, 1870540, 2338175, 2672200, 3741080, 4676350, 9352700, 18705400]

約数ペア:

[(1, 18705400), (2, 9352700), (4, 4676350), (5, 3741080), (7, 2672200), (8, 2338175), (10, 1870540), (14, 1336100), (20, 935270), (25, 748216), (28, 668050), (31, 603400), (35, 534440), (40, 467635), (50, 374108), (56, 334025), (62, 301700), (70, 267220), (100, 187054), (124, 150850), (140, 133610), (155, 120680), (175, 106888), (200, 93527), (217, 86200), (248, 75425), (280, 66805), (310, 60340), (350, 53444), (431, 43400), (434, 43100), (620, 30170), (700, 26722), (775, 24136), (862, 21700), (868, 21550), (1085, 17240), (1240, 15085), (1400, 13361), (1550, 12068), (1724, 10850), (1736, 10775), (2155, 8680), (2170, 8620), (3017, 6200), (3100, 6034), (3448, 5425), (4310, 4340)]