290421530

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{227}}^1\times {\mathrm{373}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 613958400

約数和(自身を除く): 323536870

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 227, 245, 343, 373, 454, 490, 686, 746, 1135, 1589, 1715, 1865, 2270, 2611, 3178, 3430, 3730, 5222, 7945, 11123, 13055, 15890, 18277, 22246, 26110, 36554, 55615, 77861, 84671, 91385, 111230, 127939, 155722, 169342, 182770, 255878, 389305, 423355, 592697, 639695, 778610, 846710, 1185394, 1279390, 2963485, 4148879, 5926970, 8297758, 20744395, 29042153, 41488790, 58084306, 145210765, 290421530]

約数ペア:

[(1, 290421530), (2, 145210765), (5, 58084306), (7, 41488790), (10, 29042153), (14, 20744395), (35, 8297758), (49, 5926970), (70, 4148879), (98, 2963485), (227, 1279390), (245, 1185394), (343, 846710), (373, 778610), (454, 639695), (490, 592697), (686, 423355), (746, 389305), (1135, 255878), (1589, 182770), (1715, 169342), (1865, 155722), (2270, 127939), (2611, 111230), (3178, 91385), (3430, 84671), (3730, 77861), (5222, 55615), (7945, 36554), (11123, 26110), (13055, 22246), (15890, 18277)]