254880920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3359}}^1$

素因数の和:3648

約数の個数: 64

約数和(自身を含む): 658022400

約数和(自身を除く): 403141480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 542, 1084, 1355, 1897, 2168, 2710, 3359, 3794, 5420, 6718, 7588, 9485, 10840, 13436, 15176, 16795, 18970, 23513, 26872, 33590, 37940, 47026, 67180, 75880, 94052, 117565, 134360, 188104, 235130, 470260, 910289, 940520, 1820578, 3641156, 4551445, 6372023, 7282312, 9102890, 12744046, 18205780, 25488092, 31860115, 36411560, 50976184, 63720230, 127440460, 254880920]

約数ペア:

[(1, 254880920), (2, 127440460), (4, 63720230), (5, 50976184), (7, 36411560), (8, 31860115), (10, 25488092), (14, 18205780), (20, 12744046), (28, 9102890), (35, 7282312), (40, 6372023), (56, 4551445), (70, 3641156), (140, 1820578), (271, 940520), (280, 910289), (542, 470260), (1084, 235130), (1355, 188104), (1897, 134360), (2168, 117565), (2710, 94052), (3359, 75880), (3794, 67180), (5420, 47026), (6718, 37940), (7588, 33590), (9485, 26872), (10840, 23513), (13436, 18970), (15176, 16795)]