254199990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 693411840

約数和(自身を除く): 439211850

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 109, 110, 111, 165, 185, 191, 218, 222, 327, 330, 370, 382, 407, 545, 555, 573, 654, 814, 955, 1090, 1110, 1146, 1199, 1221, 1635, 1910, 2035, 2101, 2398, 2442, 2865, 3270, 3597, 4033, 4070, 4202, 5730, 5995, 6105, 6303, 7067, 7194, 8066, 10505, 11990, 12099, 12210, 12606, 14134, 17985, 20165, 20819, 21010, 21201, 24198, 31515, 35335, 35970, 40330, 41638, 42402, 44363, 60495, 62457, 63030, 70670, 77737, 88726, 104095, 106005, 120990, 124914, 133089, 155474, 208190, 212010, 221815, 229009, 233211, 266178, 312285, 388685, 443630, 458018, 466422, 624570, 665445, 687027, 770303, 777370, 1145045, 1166055, 1330890, 1374054, 1540606, 2290090, 2310909, 2332110, 3435135, 3851515, 4621818, 6870270, 7703030, 8473333, 11554545, 16946666, 23109090, 25419999, 42366665, 50839998, 84733330, 127099995, 254199990]

約数ペア:

[(1, 254199990), (2, 127099995), (3, 84733330), (5, 50839998), (6, 42366665), (10, 25419999), (11, 23109090), (15, 16946666), (22, 11554545), (30, 8473333), (33, 7703030), (37, 6870270), (55, 4621818), (66, 3851515), (74, 3435135), (109, 2332110), (110, 2310909), (111, 2290090), (165, 1540606), (185, 1374054), (191, 1330890), (218, 1166055), (222, 1145045), (327, 777370), (330, 770303), (370, 687027), (382, 665445), (407, 624570), (545, 466422), (555, 458018), (573, 443630), (654, 388685), (814, 312285), (955, 266178), (1090, 233211), (1110, 229009), (1146, 221815), (1199, 212010), (1221, 208190), (1635, 155474), (1910, 133089), (2035, 124914), (2101, 120990), (2398, 106005), (2442, 104095), (2865, 88726), (3270, 77737), (3597, 70670), (4033, 63030), (4070, 62457), (4202, 60495), (5730, 44363), (5995, 42402), (6105, 41638), (6303, 40330), (7067, 35970), (7194, 35335), (8066, 31515), (10505, 24198), (11990, 21201), (12099, 21010), (12210, 20819), (12606, 20165), (14134, 17985)]