12259940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 33868800

約数和(自身を除く): 21608860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 419, 532, 665, 770, 836, 838, 1045, 1330, 1463, 1540, 1676, 2090, 2095, 2660, 2926, 2933, 4180, 4190, 4609, 5852, 5866, 7315, 7961, 8380, 9218, 11732, 14630, 14665, 15922, 18436, 23045, 29260, 29330, 31844, 32263, 39805, 46090, 55727, 58660, 64526, 79610, 87571, 92180, 111454, 129052, 159220, 161315, 175142, 222908, 278635, 322630, 350284, 437855, 557270, 612997, 645260, 875710, 1114540, 1225994, 1751420, 2451988, 3064985, 6129970, 12259940]

約数ペア:

[(1, 12259940), (2, 6129970), (4, 3064985), (5, 2451988), (7, 1751420), (10, 1225994), (11, 1114540), (14, 875710), (19, 645260), (20, 612997), (22, 557270), (28, 437855), (35, 350284), (38, 322630), (44, 278635), (55, 222908), (70, 175142), (76, 161315), (77, 159220), (95, 129052), (110, 111454), (133, 92180), (140, 87571), (154, 79610), (190, 64526), (209, 58660), (220, 55727), (266, 46090), (308, 39805), (380, 32263), (385, 31844), (418, 29330), (419, 29260), (532, 23045), (665, 18436), (770, 15922), (836, 14665), (838, 14630), (1045, 11732), (1330, 9218), (1463, 8380), (1540, 7961), (1676, 7315), (2090, 5866), (2095, 5852), (2660, 4609), (2926, 4190), (2933, 4180)]