138469240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 388080000

約数和(自身を除く): 249610760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 109, 130, 140, 182, 218, 260, 280, 349, 364, 436, 455, 520, 545, 698, 728, 763, 872, 910, 1090, 1396, 1417, 1526, 1745, 1820, 2180, 2443, 2792, 2834, 3052, 3490, 3640, 3815, 4360, 4537, 4886, 5668, 6104, 6980, 7085, 7630, 9074, 9772, 9919, 11336, 12215, 13960, 14170, 15260, 18148, 19544, 19838, 22685, 24430, 28340, 30520, 31759, 36296, 38041, 39676, 45370, 48860, 49595, 56680, 63518, 76082, 79352, 90740, 97720, 99190, 127036, 152164, 158795, 181480, 190205, 198380, 254072, 266287, 304328, 317590, 380410, 396760, 494533, 532574, 635180, 760820, 989066, 1065148, 1270360, 1331435, 1521640, 1978132, 2130296, 2472665, 2662870, 3461731, 3956264, 4945330, 5325740, 6923462, 9890660, 10651480, 13846924, 17308655, 19781320, 27693848, 34617310, 69234620, 138469240]

約数ペア:

[(1, 138469240), (2, 69234620), (4, 34617310), (5, 27693848), (7, 19781320), (8, 17308655), (10, 13846924), (13, 10651480), (14, 9890660), (20, 6923462), (26, 5325740), (28, 4945330), (35, 3956264), (40, 3461731), (52, 2662870), (56, 2472665), (65, 2130296), (70, 1978132), (91, 1521640), (104, 1331435), (109, 1270360), (130, 1065148), (140, 989066), (182, 760820), (218, 635180), (260, 532574), (280, 494533), (349, 396760), (364, 380410), (436, 317590), (455, 304328), (520, 266287), (545, 254072), (698, 198380), (728, 190205), (763, 181480), (872, 158795), (910, 152164), (1090, 127036), (1396, 99190), (1417, 97720), (1526, 90740), (1745, 79352), (1820, 76082), (2180, 63518), (2443, 56680), (2792, 49595), (2834, 48860), (3052, 45370), (3490, 39676), (3640, 38041), (3815, 36296), (4360, 31759), (4537, 30520), (4886, 28340), (5668, 24430), (6104, 22685), (6980, 19838), (7085, 19544), (7630, 18148), (9074, 15260), (9772, 14170), (9919, 13960), (11336, 12215)]