189758380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{853}}^1$

素因数の和:1103

約数の個数: 72

約数和(自身を含む): 466140528

約数和(自身を除く): 276382148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 227, 245, 454, 490, 853, 908, 980, 1135, 1589, 1706, 2270, 3178, 3412, 4265, 4540, 5971, 6356, 7945, 8530, 11123, 11942, 15890, 17060, 22246, 23884, 29855, 31780, 41797, 44492, 55615, 59710, 83594, 111230, 119420, 167188, 193631, 208985, 222460, 387262, 417970, 774524, 835940, 968155, 1355417, 1936310, 2710834, 3872620, 5421668, 6777085, 9487919, 13554170, 18975838, 27108340, 37951676, 47439595, 94879190, 189758380]

約数ペア:

[(1, 189758380), (2, 94879190), (4, 47439595), (5, 37951676), (7, 27108340), (10, 18975838), (14, 13554170), (20, 9487919), (28, 6777085), (35, 5421668), (49, 3872620), (70, 2710834), (98, 1936310), (140, 1355417), (196, 968155), (227, 835940), (245, 774524), (454, 417970), (490, 387262), (853, 222460), (908, 208985), (980, 193631), (1135, 167188), (1589, 119420), (1706, 111230), (2270, 83594), (3178, 59710), (3412, 55615), (4265, 44492), (4540, 41797), (5971, 31780), (6356, 29855), (7945, 23884), (8530, 22246), (11123, 17060), (11942, 15890)]