2008607020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89113}}^1$

素因数の和:89159

約数の個数: 72

約数和(自身を含む): 5120133984

約数和(自身を除く): 3111526964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 22540, 89113, 178226, 356452, 445565, 623791, 891130, 1247582, 1782260, 2049599, 2495164, 3118955, 4099198, 4366537, 6237910, 8198396, 8733074, 10247995, 12475820, 14347193, 17466148, 20495990, 21832685, 28694386, 40991980, 43665370, 57388772, 71735965, 87330740, 100430351, 143471930, 200860702, 286943860, 401721404, 502151755, 1004303510, 2008607020]

約数ペア:

[(1, 2008607020), (2, 1004303510), (4, 502151755), (5, 401721404), (7, 286943860), (10, 200860702), (14, 143471930), (20, 100430351), (23, 87330740), (28, 71735965), (35, 57388772), (46, 43665370), (49, 40991980), (70, 28694386), (92, 21832685), (98, 20495990), (115, 17466148), (140, 14347193), (161, 12475820), (196, 10247995), (230, 8733074), (245, 8198396), (322, 6237910), (460, 4366537), (490, 4099198), (644, 3118955), (805, 2495164), (980, 2049599), (1127, 1782260), (1610, 1247582), (2254, 891130), (3220, 623791), (4508, 445565), (5635, 356452), (11270, 178226), (22540, 89113)]