399120680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{757}}^1$

素因数の和:1051

約数の個数: 96

約数和(自身を含む): 1049905800

約数和(自身を除く): 650785120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 269, 280, 392, 490, 538, 757, 980, 1076, 1345, 1514, 1883, 1960, 2152, 2690, 3028, 3766, 3785, 5299, 5380, 6056, 7532, 7570, 9415, 10598, 10760, 13181, 15064, 15140, 18830, 21196, 26362, 26495, 30280, 37093, 37660, 42392, 52724, 52990, 65905, 74186, 75320, 105448, 105980, 131810, 148372, 185465, 203633, 211960, 263620, 296744, 370930, 407266, 527240, 741860, 814532, 1018165, 1425431, 1483720, 1629064, 2036330, 2850862, 4072660, 5701724, 7127155, 8145320, 9978017, 11403448, 14254310, 19956034, 28508620, 39912068, 49890085, 57017240, 79824136, 99780170, 199560340, 399120680]

約数ペア:

[(1, 399120680), (2, 199560340), (4, 99780170), (5, 79824136), (7, 57017240), (8, 49890085), (10, 39912068), (14, 28508620), (20, 19956034), (28, 14254310), (35, 11403448), (40, 9978017), (49, 8145320), (56, 7127155), (70, 5701724), (98, 4072660), (140, 2850862), (196, 2036330), (245, 1629064), (269, 1483720), (280, 1425431), (392, 1018165), (490, 814532), (538, 741860), (757, 527240), (980, 407266), (1076, 370930), (1345, 296744), (1514, 263620), (1883, 211960), (1960, 203633), (2152, 185465), (2690, 148372), (3028, 131810), (3766, 105980), (3785, 105448), (5299, 75320), (5380, 74186), (6056, 65905), (7532, 52990), (7570, 52724), (9415, 42392), (10598, 37660), (10760, 37093), (13181, 30280), (15064, 26495), (15140, 26362), (18830, 21196)]