252227820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{323369}}^1$

素因数の和:323394

約数の個数: 48

約数和(自身を含む): 760566240

約数和(自身を除く): 508338420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 323369, 646738, 970107, 1293476, 1616845, 1940214, 3233690, 3880428, 4203797, 4850535, 6467380, 8407594, 9701070, 12611391, 16815188, 19402140, 21018985, 25222782, 42037970, 50445564, 63056955, 84075940, 126113910, 252227820]

約数ペア:

[(1, 252227820), (2, 126113910), (3, 84075940), (4, 63056955), (5, 50445564), (6, 42037970), (10, 25222782), (12, 21018985), (13, 19402140), (15, 16815188), (20, 12611391), (26, 9701070), (30, 8407594), (39, 6467380), (52, 4850535), (60, 4203797), (65, 3880428), (78, 3233690), (130, 1940214), (156, 1616845), (195, 1293476), (260, 970107), (390, 646738), (780, 323369)]