420172270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5179}}^1$

素因数の和:5273

約数の個数: 64

約数和(自身を含む): 924940800

約数和(自身を除く): 504768530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 61, 70, 95, 122, 133, 190, 266, 305, 427, 610, 665, 854, 1159, 1330, 2135, 2318, 4270, 5179, 5795, 8113, 10358, 11590, 16226, 25895, 36253, 40565, 51790, 72506, 81130, 98401, 181265, 196802, 315919, 362530, 492005, 631838, 688807, 984010, 1377614, 1579595, 2211433, 3159190, 3444035, 4422866, 6002461, 6888070, 11057165, 12004922, 22114330, 30012305, 42017227, 60024610, 84034454, 210086135, 420172270]

約数ペア:

[(1, 420172270), (2, 210086135), (5, 84034454), (7, 60024610), (10, 42017227), (14, 30012305), (19, 22114330), (35, 12004922), (38, 11057165), (61, 6888070), (70, 6002461), (95, 4422866), (122, 3444035), (133, 3159190), (190, 2211433), (266, 1579595), (305, 1377614), (427, 984010), (610, 688807), (665, 631838), (854, 492005), (1159, 362530), (1330, 315919), (2135, 196802), (2318, 181265), (4270, 98401), (5179, 81130), (5795, 72506), (8113, 51790), (10358, 40565), (11590, 36253), (16226, 25895)]