181001870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 387072000

約数和(自身を除く): 206070130

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 239, 310, 349, 434, 478, 698, 1085, 1195, 1673, 1745, 2170, 2390, 2443, 3346, 3490, 4886, 7409, 8365, 10819, 12215, 14818, 16730, 21638, 24430, 37045, 51863, 54095, 74090, 75733, 83411, 103726, 108190, 151466, 166822, 259315, 378665, 417055, 518630, 583877, 757330, 834110, 1167754, 2585741, 2919385, 5171482, 5838770, 12928705, 18100187, 25857410, 36200374, 90500935, 181001870]

約数ペア:

[(1, 181001870), (2, 90500935), (5, 36200374), (7, 25857410), (10, 18100187), (14, 12928705), (31, 5838770), (35, 5171482), (62, 2919385), (70, 2585741), (155, 1167754), (217, 834110), (239, 757330), (310, 583877), (349, 518630), (434, 417055), (478, 378665), (698, 259315), (1085, 166822), (1195, 151466), (1673, 108190), (1745, 103726), (2170, 83411), (2390, 75733), (2443, 74090), (3346, 54095), (3490, 51863), (4886, 37045), (7409, 24430), (8365, 21638), (10819, 16730), (12215, 14818)]