2020550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 4499712

約数和(自身を除く): 2479162

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 251, 322, 350, 502, 575, 805, 1150, 1255, 1610, 1757, 2510, 3514, 4025, 5773, 6275, 8050, 8785, 11546, 12550, 17570, 28865, 40411, 43925, 57730, 80822, 87850, 144325, 202055, 288650, 404110, 1010275, 2020550]

約数ペア:

[(1, 2020550), (2, 1010275), (5, 404110), (7, 288650), (10, 202055), (14, 144325), (23, 87850), (25, 80822), (35, 57730), (46, 43925), (50, 40411), (70, 28865), (115, 17570), (161, 12550), (175, 11546), (230, 8785), (251, 8050), (322, 6275), (350, 5773), (502, 4025), (575, 3514), (805, 2510), (1150, 1757), (1255, 1610)]