1404260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 3471552

約数和(自身を除く): 2067292

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 491, 572, 715, 982, 1430, 1964, 2455, 2860, 4910, 5401, 6383, 9820, 10802, 12766, 21604, 25532, 27005, 31915, 54010, 63830, 70213, 108020, 127660, 140426, 280852, 351065, 702130, 1404260]

約数ペア:

[(1, 1404260), (2, 702130), (4, 351065), (5, 280852), (10, 140426), (11, 127660), (13, 108020), (20, 70213), (22, 63830), (26, 54010), (44, 31915), (52, 27005), (55, 25532), (65, 21604), (110, 12766), (130, 10802), (143, 9820), (220, 6383), (260, 5401), (286, 4910), (491, 2860), (572, 2455), (715, 1964), (982, 1430)]