138571980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{49139}}^1$

素因数の和:49198

約数の個数: 48

約数和(自身を含む): 396264960

約数和(自身を除く): 257692980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 49139, 98278, 147417, 196556, 245695, 294834, 491390, 589668, 737085, 982780, 1474170, 2309533, 2948340, 4619066, 6928599, 9238132, 11547665, 13857198, 23095330, 27714396, 34642995, 46190660, 69285990, 138571980]

約数ペア:

[(1, 138571980), (2, 69285990), (3, 46190660), (4, 34642995), (5, 27714396), (6, 23095330), (10, 13857198), (12, 11547665), (15, 9238132), (20, 6928599), (30, 4619066), (47, 2948340), (60, 2309533), (94, 1474170), (141, 982780), (188, 737085), (235, 589668), (282, 491390), (470, 294834), (564, 245695), (705, 196556), (940, 147417), (1410, 98278), (2820, 49139)]