2788891350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{379441}}^1$

素因数の和:379470

約数の個数: 72

約数和(自身を含む): 8045688168

約数和(自身を除く): 5256796818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 3675, 7350, 379441, 758882, 1138323, 1897205, 2276646, 2656087, 3794410, 5312174, 5691615, 7968261, 9486025, 11383230, 13280435, 15936522, 18592609, 18972050, 26560870, 28458075, 37185218, 39841305, 55777827, 56916150, 66402175, 79682610, 92963045, 111555654, 132804350, 185926090, 199206525, 278889135, 398413050, 464815225, 557778270, 929630450, 1394445675, 2788891350]

約数ペア:

[(1, 2788891350), (2, 1394445675), (3, 929630450), (5, 557778270), (6, 464815225), (7, 398413050), (10, 278889135), (14, 199206525), (15, 185926090), (21, 132804350), (25, 111555654), (30, 92963045), (35, 79682610), (42, 66402175), (49, 56916150), (50, 55777827), (70, 39841305), (75, 37185218), (98, 28458075), (105, 26560870), (147, 18972050), (150, 18592609), (175, 15936522), (210, 13280435), (245, 11383230), (294, 9486025), (350, 7968261), (490, 5691615), (525, 5312174), (735, 3794410), (1050, 2656087), (1225, 2276646), (1470, 1897205), (2450, 1138323), (3675, 758882), (7350, 379441)]