77525420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17863}}^1$

素因数の和:17910

約数の個数: 48

約数和(自身を含む): 192073728

約数和(自身を除く): 114548308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 17863, 35726, 71452, 89315, 125041, 178630, 250082, 357260, 500164, 553753, 625205, 1107506, 1250410, 2215012, 2500820, 2768765, 3876271, 5537530, 7752542, 11075060, 15505084, 19381355, 38762710, 77525420]

約数ペア:

[(1, 77525420), (2, 38762710), (4, 19381355), (5, 15505084), (7, 11075060), (10, 7752542), (14, 5537530), (20, 3876271), (28, 2768765), (31, 2500820), (35, 2215012), (62, 1250410), (70, 1107506), (124, 625205), (140, 553753), (155, 500164), (217, 357260), (310, 250082), (434, 178630), (620, 125041), (868, 89315), (1085, 71452), (2170, 35726), (4340, 17863)]