619019620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{44027}}^1$

素因数の和:44092

約数の個数: 48

約数和(自身を含む): 1405373760

約数和(自身を除く): 786354140

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 44027, 88054, 176108, 220135, 440270, 836513, 880540, 1628999, 1673026, 3257998, 3346052, 4182565, 6515996, 8144995, 8365130, 16289990, 16730260, 30950981, 32579980, 61901962, 123803924, 154754905, 309509810, 619019620]

約数ペア:

[(1, 619019620), (2, 309509810), (4, 154754905), (5, 123803924), (10, 61901962), (19, 32579980), (20, 30950981), (37, 16730260), (38, 16289990), (74, 8365130), (76, 8144995), (95, 6515996), (148, 4182565), (185, 3346052), (190, 3257998), (370, 1673026), (380, 1628999), (703, 880540), (740, 836513), (1406, 440270), (2812, 220135), (3515, 176108), (7030, 88054), (14060, 44027)]