140019460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{20411}}^1$

素因数の和:20441

約数の個数: 48

約数和(自身を含む): 342921600

約数和(自身を除く): 202902140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 20411, 40822, 81644, 102055, 142877, 204110, 285754, 408220, 571508, 714385, 1000139, 1428770, 2000278, 2857540, 4000556, 5000695, 7000973, 10001390, 14001946, 20002780, 28003892, 35004865, 70009730, 140019460]

約数ペア:

[(1, 140019460), (2, 70009730), (4, 35004865), (5, 28003892), (7, 20002780), (10, 14001946), (14, 10001390), (20, 7000973), (28, 5000695), (35, 4000556), (49, 2857540), (70, 2000278), (98, 1428770), (140, 1000139), (196, 714385), (245, 571508), (343, 408220), (490, 285754), (686, 204110), (980, 142877), (1372, 102055), (1715, 81644), (3430, 40822), (6860, 20411)]