485445220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1259}}^1\times {\mathrm{1483}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 1099465920

約数和(自身を除く): 614020700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1259, 1483, 2518, 2966, 5036, 5932, 6295, 7415, 12590, 14830, 16367, 19279, 25180, 29660, 32734, 38558, 65468, 77116, 81835, 96395, 163670, 192790, 327340, 385580, 1867097, 3734194, 7468388, 9335485, 18670970, 24272261, 37341940, 48544522, 97089044, 121361305, 242722610, 485445220]

約数ペア:

[(1, 485445220), (2, 242722610), (4, 121361305), (5, 97089044), (10, 48544522), (13, 37341940), (20, 24272261), (26, 18670970), (52, 9335485), (65, 7468388), (130, 3734194), (260, 1867097), (1259, 385580), (1483, 327340), (2518, 192790), (2966, 163670), (5036, 96395), (5932, 81835), (6295, 77116), (7415, 65468), (12590, 38558), (14830, 32734), (16367, 29660), (19279, 25180)]