804510511480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1\times {\mathrm{7937}}^1$

素因数の和:8849

約数の個数: 128

約数和(自身を含む): 1958528134080

約数和(自身を除く): 1154017622600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 397, 491, 520, 794, 982, 1588, 1964, 1985, 2455, 3176, 3928, 3970, 4910, 5161, 6383, 7937, 7940, 9820, 10322, 12766, 15874, 15880, 19640, 20644, 25532, 25805, 31748, 31915, 39685, 41288, 51064, 51610, 63496, 63830, 79370, 103181, 103220, 127660, 158740, 194927, 206362, 206440, 255320, 317480, 389854, 412724, 515905, 779708, 825448, 974635, 1031810, 1559416, 1949270, 2063620, 2534051, 3150989, 3897067, 3898540, 4127240, 5068102, 6301978, 7794134, 7797080, 10136204, 12603956, 12670255, 15588268, 15754945, 19485335, 20272408, 25207912, 25340510, 31176536, 31509890, 38970670, 40962857, 50661871, 50681020, 63019780, 77941340, 81925714, 101323742, 101362040, 126039560, 155882680, 163851428, 202647484, 204814285, 253309355, 327702856, 405294968, 409628570, 506618710, 819257140, 1013237420, 1547135599, 1638514280, 2026474840, 3094271198, 6188542396, 7735677995, 12377084792, 15471355990, 20112762787, 30942711980, 40225525574, 61885423960, 80451051148, 100563813935, 160902102296, 201127627870, 402255255740, 804510511480]

約数ペア:

[(1, 804510511480), (2, 402255255740), (4, 201127627870), (5, 160902102296), (8, 100563813935), (10, 80451051148), (13, 61885423960), (20, 40225525574), (26, 30942711980), (40, 20112762787), (52, 15471355990), (65, 12377084792), (104, 7735677995), (130, 6188542396), (260, 3094271198), (397, 2026474840), (491, 1638514280), (520, 1547135599), (794, 1013237420), (982, 819257140), (1588, 506618710), (1964, 409628570), (1985, 405294968), (2455, 327702856), (3176, 253309355), (3928, 204814285), (3970, 202647484), (4910, 163851428), (5161, 155882680), (6383, 126039560), (7937, 101362040), (7940, 101323742), (9820, 81925714), (10322, 77941340), (12766, 63019780), (15874, 50681020), (15880, 50661871), (19640, 40962857), (20644, 38970670), (25532, 31509890), (25805, 31176536), (31748, 25340510), (31915, 25207912), (39685, 20272408), (41288, 19485335), (51064, 15754945), (51610, 15588268), (63496, 12670255), (63830, 12603956), (79370, 10136204), (103181, 7797080), (103220, 7794134), (127660, 6301978), (158740, 5068102), (194927, 4127240), (206362, 3898540), (206440, 3897067), (255320, 3150989), (317480, 2534051), (389854, 2063620), (412724, 1949270), (515905, 1559416), (779708, 1031810), (825448, 974635)]