349856820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71987}}^1$

素因数の和:72011

約数の個数: 72

約数和(自身を含む): 1100552544

約数和(自身を除く): 750695724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 71987, 143974, 215961, 287948, 359935, 431922, 647883, 719870, 863844, 1079805, 1295766, 1439740, 1943649, 2159610, 2591532, 3239415, 3887298, 4319220, 5830947, 6478830, 7774596, 9718245, 11661894, 12957660, 17492841, 19436490, 23323788, 29154735, 34985682, 38872980, 58309470, 69971364, 87464205, 116618940, 174928410, 349856820]

約数ペア:

[(1, 349856820), (2, 174928410), (3, 116618940), (4, 87464205), (5, 69971364), (6, 58309470), (9, 38872980), (10, 34985682), (12, 29154735), (15, 23323788), (18, 19436490), (20, 17492841), (27, 12957660), (30, 11661894), (36, 9718245), (45, 7774596), (54, 6478830), (60, 5830947), (81, 4319220), (90, 3887298), (108, 3239415), (135, 2591532), (162, 2159610), (180, 1943649), (243, 1439740), (270, 1295766), (324, 1079805), (405, 863844), (486, 719870), (540, 647883), (810, 431922), (972, 359935), (1215, 287948), (1620, 215961), (2430, 143974), (4860, 71987)]