66678980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{773}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 148236480

約数和(自身を除く): 81557500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 773, 908, 1135, 1546, 2270, 3092, 3865, 4313, 4540, 7730, 8626, 14687, 15460, 17252, 21565, 29374, 43130, 58748, 73435, 86260, 146870, 175471, 293740, 350942, 701884, 877355, 1754710, 3333949, 3509420, 6667898, 13335796, 16669745, 33339490, 66678980]

約数ペア:

[(1, 66678980), (2, 33339490), (4, 16669745), (5, 13335796), (10, 6667898), (19, 3509420), (20, 3333949), (38, 1754710), (76, 877355), (95, 701884), (190, 350942), (227, 293740), (380, 175471), (454, 146870), (773, 86260), (908, 73435), (1135, 58748), (1546, 43130), (2270, 29374), (3092, 21565), (3865, 17252), (4313, 15460), (4540, 14687), (7730, 8626)]