26994940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 68745600

約数和(自身を除く): 41750660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 61, 70, 109, 116, 122, 140, 145, 203, 218, 244, 290, 305, 406, 427, 436, 545, 580, 610, 763, 812, 854, 1015, 1090, 1220, 1526, 1708, 1769, 2030, 2135, 2180, 3052, 3161, 3538, 3815, 4060, 4270, 6322, 6649, 7076, 7630, 8540, 8845, 12383, 12644, 13298, 15260, 15805, 17690, 22127, 24766, 26596, 31610, 33245, 35380, 44254, 46543, 49532, 61915, 63220, 66490, 88508, 93086, 110635, 123830, 132980, 186172, 192821, 221270, 232715, 247660, 385642, 442540, 465430, 771284, 930860, 964105, 1349747, 1928210, 2699494, 3856420, 5398988, 6748735, 13497470, 26994940]

約数ペア:

[(1, 26994940), (2, 13497470), (4, 6748735), (5, 5398988), (7, 3856420), (10, 2699494), (14, 1928210), (20, 1349747), (28, 964105), (29, 930860), (35, 771284), (58, 465430), (61, 442540), (70, 385642), (109, 247660), (116, 232715), (122, 221270), (140, 192821), (145, 186172), (203, 132980), (218, 123830), (244, 110635), (290, 93086), (305, 88508), (406, 66490), (427, 63220), (436, 61915), (545, 49532), (580, 46543), (610, 44254), (763, 35380), (812, 33245), (854, 31610), (1015, 26596), (1090, 24766), (1220, 22127), (1526, 17690), (1708, 15805), (1769, 15260), (2030, 13298), (2135, 12644), (2180, 12383), (3052, 8845), (3161, 8540), (3538, 7630), (3815, 7076), (4060, 6649), (4270, 6322)]