207940940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32189}}^1$

素因数の和:32234

約数の個数: 48

約数和(自身を含む): 486712800

約数和(自身を除く): 278771860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 32189, 64378, 128756, 160945, 321890, 547213, 611591, 643780, 1094426, 1223182, 2188852, 2446364, 2736065, 3057955, 5472130, 6115910, 10397047, 10944260, 12231820, 20794094, 41588188, 51985235, 103970470, 207940940]

約数ペア:

[(1, 207940940), (2, 103970470), (4, 51985235), (5, 41588188), (10, 20794094), (17, 12231820), (19, 10944260), (20, 10397047), (34, 6115910), (38, 5472130), (68, 3057955), (76, 2736065), (85, 2446364), (95, 2188852), (170, 1223182), (190, 1094426), (323, 643780), (340, 611591), (380, 547213), (646, 321890), (1292, 160945), (1615, 128756), (3230, 64378), (6460, 32189)]