42864220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 105719040

約数和(自身を除く): 62854820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 229, 245, 382, 458, 490, 764, 916, 955, 980, 1145, 1337, 1603, 1910, 2290, 2674, 3206, 3820, 4580, 5348, 6412, 6685, 8015, 9359, 11221, 13370, 16030, 18718, 22442, 26740, 32060, 37436, 43739, 44884, 46795, 56105, 87478, 93590, 112210, 174956, 187180, 218695, 224420, 306173, 437390, 612346, 874780, 1224692, 1530865, 2143211, 3061730, 4286422, 6123460, 8572844, 10716055, 21432110, 42864220]

約数ペア:

[(1, 42864220), (2, 21432110), (4, 10716055), (5, 8572844), (7, 6123460), (10, 4286422), (14, 3061730), (20, 2143211), (28, 1530865), (35, 1224692), (49, 874780), (70, 612346), (98, 437390), (140, 306173), (191, 224420), (196, 218695), (229, 187180), (245, 174956), (382, 112210), (458, 93590), (490, 87478), (764, 56105), (916, 46795), (955, 44884), (980, 43739), (1145, 37436), (1337, 32060), (1603, 26740), (1910, 22442), (2290, 18718), (2674, 16030), (3206, 13370), (3820, 11221), (4580, 9359), (5348, 8015), (6412, 6685)]