1489730920

素因数分解:

$2^3\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{26099}}^1$

素因数の和:27537

約数の個数: 32

約数和(自身を含む): 3354372000

約数和(自身を除く): 1864641080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1427, 2854, 5708, 7135, 11416, 14270, 26099, 28540, 52198, 57080, 104396, 130495, 208792, 260990, 521980, 1043960, 37243273, 74486546, 148973092, 186216365, 297946184, 372432730, 744865460, 1489730920]

約数ペア:

[(1, 1489730920), (2, 744865460), (4, 372432730), (5, 297946184), (8, 186216365), (10, 148973092), (20, 74486546), (40, 37243273), (1427, 1043960), (2854, 521980), (5708, 260990), (7135, 208792), (11416, 130495), (14270, 104396), (26099, 57080), (28540, 52198)]