669585700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2459}}^1$

素因数の和:2869

約数の個数: 72

約数和(自身を含む): 1665518400

約数和(自身を除く): 995932700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 389, 700, 778, 1556, 1945, 2459, 2723, 3890, 4918, 5446, 7780, 9725, 9836, 10892, 12295, 13615, 17213, 19450, 24590, 27230, 34426, 38900, 49180, 54460, 61475, 68075, 68852, 86065, 122950, 136150, 172130, 245900, 272300, 344260, 430325, 860650, 956551, 1721300, 1913102, 3826204, 4782755, 6695857, 9565510, 13391714, 19131020, 23913775, 26783428, 33479285, 47827550, 66958570, 95655100, 133917140, 167396425, 334792850, 669585700]

約数ペア:

[(1, 669585700), (2, 334792850), (4, 167396425), (5, 133917140), (7, 95655100), (10, 66958570), (14, 47827550), (20, 33479285), (25, 26783428), (28, 23913775), (35, 19131020), (50, 13391714), (70, 9565510), (100, 6695857), (140, 4782755), (175, 3826204), (350, 1913102), (389, 1721300), (700, 956551), (778, 860650), (1556, 430325), (1945, 344260), (2459, 272300), (2723, 245900), (3890, 172130), (4918, 136150), (5446, 122950), (7780, 86065), (9725, 68852), (9836, 68075), (10892, 61475), (12295, 54460), (13615, 49180), (17213, 38900), (19450, 34426), (24590, 27230)]