87390350

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 167132160

約数和(自身を除く): 79741810

約数列:

[1, 2, 5, 10, 25, 50, 71, 103, 142, 206, 239, 355, 478, 515, 710, 1030, 1195, 1775, 2390, 2575, 3550, 5150, 5975, 7313, 11950, 14626, 16969, 24617, 33938, 36565, 49234, 73130, 84845, 123085, 169690, 182825, 246170, 365650, 424225, 615425, 848450, 1230850, 1747807, 3495614, 8739035, 17478070, 43695175, 87390350]

約数ペア:

[(1, 87390350), (2, 43695175), (5, 17478070), (10, 8739035), (25, 3495614), (50, 1747807), (71, 1230850), (103, 848450), (142, 615425), (206, 424225), (239, 365650), (355, 246170), (478, 182825), (515, 169690), (710, 123085), (1030, 84845), (1195, 73130), (1775, 49234), (2390, 36565), (2575, 33938), (3550, 24617), (5150, 16969), (5975, 14626), (7313, 11950)]