38629640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19709}}^1$

素因数の和:19734

約数の個数: 48

約数和(自身を含む): 101112300

約数和(自身を除く): 62482660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19709, 39418, 78836, 98545, 137963, 157672, 197090, 275926, 394180, 551852, 689815, 788360, 965741, 1103704, 1379630, 1931482, 2759260, 3862964, 4828705, 5518520, 7725928, 9657410, 19314820, 38629640]

約数ペア:

[(1, 38629640), (2, 19314820), (4, 9657410), (5, 7725928), (7, 5518520), (8, 4828705), (10, 3862964), (14, 2759260), (20, 1931482), (28, 1379630), (35, 1103704), (40, 965741), (49, 788360), (56, 689815), (70, 551852), (98, 394180), (140, 275926), (196, 197090), (245, 157672), (280, 137963), (392, 98545), (490, 78836), (980, 39418), (1960, 19709)]