155074220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 381029040

約数和(自身を除く): 225954820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 229, 245, 458, 490, 691, 916, 980, 1145, 1382, 1603, 2290, 2764, 3206, 3455, 4580, 4837, 6412, 6910, 8015, 9674, 11221, 13820, 16030, 19348, 22442, 24185, 32060, 33859, 44884, 48370, 56105, 67718, 96740, 112210, 135436, 158239, 169295, 224420, 316478, 338590, 632956, 677180, 791195, 1107673, 1582390, 2215346, 3164780, 4430692, 5538365, 7753711, 11076730, 15507422, 22153460, 31014844, 38768555, 77537110, 155074220]

約数ペア:

[(1, 155074220), (2, 77537110), (4, 38768555), (5, 31014844), (7, 22153460), (10, 15507422), (14, 11076730), (20, 7753711), (28, 5538365), (35, 4430692), (49, 3164780), (70, 2215346), (98, 1582390), (140, 1107673), (196, 791195), (229, 677180), (245, 632956), (458, 338590), (490, 316478), (691, 224420), (916, 169295), (980, 158239), (1145, 135436), (1382, 112210), (1603, 96740), (2290, 67718), (2764, 56105), (3206, 48370), (3455, 44884), (4580, 33859), (4837, 32060), (6412, 24185), (6910, 22442), (8015, 19348), (9674, 16030), (11221, 13820)]