87123260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{953}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 209635776

約数和(自身を除く): 122512516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 953, 1306, 1906, 2612, 3265, 3812, 4571, 4765, 6530, 6671, 9142, 9530, 13060, 13342, 18284, 19060, 22855, 26684, 33355, 45710, 66710, 91420, 133420, 622309, 1244618, 2489236, 3111545, 4356163, 6223090, 8712326, 12446180, 17424652, 21780815, 43561630, 87123260]

約数ペア:

[(1, 87123260), (2, 43561630), (4, 21780815), (5, 17424652), (7, 12446180), (10, 8712326), (14, 6223090), (20, 4356163), (28, 3111545), (35, 2489236), (70, 1244618), (140, 622309), (653, 133420), (953, 91420), (1306, 66710), (1906, 45710), (2612, 33355), (3265, 26684), (3812, 22855), (4571, 19060), (4765, 18284), (6530, 13342), (6671, 13060), (9142, 9530)]