1238020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 3064320

約数和(自身を除く): 1826300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 239, 259, 370, 478, 518, 740, 956, 1036, 1195, 1295, 1673, 2390, 2590, 3346, 4780, 5180, 6692, 8365, 8843, 16730, 17686, 33460, 35372, 44215, 61901, 88430, 123802, 176860, 247604, 309505, 619010, 1238020]

約数ペア:

[(1, 1238020), (2, 619010), (4, 309505), (5, 247604), (7, 176860), (10, 123802), (14, 88430), (20, 61901), (28, 44215), (35, 35372), (37, 33460), (70, 17686), (74, 16730), (140, 8843), (148, 8365), (185, 6692), (239, 5180), (259, 4780), (370, 3346), (478, 2590), (518, 2390), (740, 1673), (956, 1295), (1036, 1195)]