1406038960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:926

約数の個数: 80

約数和(自身を含む): 3315502080

約数和(自身を除く): 1909463120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 383, 421, 436, 545, 766, 842, 872, 1090, 1532, 1684, 1744, 1915, 2105, 2180, 3064, 3368, 3830, 4210, 4360, 6128, 6736, 7660, 8420, 8720, 15320, 16840, 30640, 33680, 41747, 45889, 83494, 91778, 161243, 166988, 183556, 208735, 229445, 322486, 333976, 367112, 417470, 458890, 644972, 667952, 734224, 806215, 834940, 917780, 1289944, 1612430, 1669880, 1835560, 2579888, 3224860, 3339760, 3671120, 6449720, 12899440, 17575487, 35150974, 70301948, 87877435, 140603896, 175754870, 281207792, 351509740, 703019480, 1406038960]

約数ペア:

[(1, 1406038960), (2, 703019480), (4, 351509740), (5, 281207792), (8, 175754870), (10, 140603896), (16, 87877435), (20, 70301948), (40, 35150974), (80, 17575487), (109, 12899440), (218, 6449720), (383, 3671120), (421, 3339760), (436, 3224860), (545, 2579888), (766, 1835560), (842, 1669880), (872, 1612430), (1090, 1289944), (1532, 917780), (1684, 834940), (1744, 806215), (1915, 734224), (2105, 667952), (2180, 644972), (3064, 458890), (3368, 417470), (3830, 367112), (4210, 333976), (4360, 322486), (6128, 229445), (6736, 208735), (7660, 183556), (8420, 166988), (8720, 161243), (15320, 91778), (16840, 83494), (30640, 45889), (33680, 41747)]