31358540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 70308000

約数和(自身を除く): 38949460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 619, 745, 1238, 1490, 2476, 2533, 2980, 3095, 5066, 6190, 10132, 10523, 12380, 12665, 21046, 25330, 42092, 50660, 52615, 92231, 105230, 184462, 210460, 368924, 461155, 922310, 1567927, 1844620, 3135854, 6271708, 7839635, 15679270, 31358540]

約数ペア:

[(1, 31358540), (2, 15679270), (4, 7839635), (5, 6271708), (10, 3135854), (17, 1844620), (20, 1567927), (34, 922310), (68, 461155), (85, 368924), (149, 210460), (170, 184462), (298, 105230), (340, 92231), (596, 52615), (619, 50660), (745, 42092), (1238, 25330), (1490, 21046), (2476, 12665), (2533, 12380), (2980, 10523), (3095, 10132), (5066, 6190)]