210858820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1777}}^1$

素因数の和:2152

約数の個数: 48

約数和(自身を含む): 470458800

約数和(自身を除く): 259599980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 349, 698, 1396, 1745, 1777, 3490, 3554, 5933, 6980, 7108, 8885, 11866, 17770, 23732, 29665, 30209, 35540, 59330, 60418, 118660, 120836, 151045, 302090, 604180, 620173, 1240346, 2480692, 3100865, 6201730, 10542941, 12403460, 21085882, 42171764, 52714705, 105429410, 210858820]

約数ペア:

[(1, 210858820), (2, 105429410), (4, 52714705), (5, 42171764), (10, 21085882), (17, 12403460), (20, 10542941), (34, 6201730), (68, 3100865), (85, 2480692), (170, 1240346), (340, 620173), (349, 604180), (698, 302090), (1396, 151045), (1745, 120836), (1777, 118660), (3490, 60418), (3554, 59330), (5933, 35540), (6980, 30209), (7108, 29665), (8885, 23732), (11866, 17770)]