28110010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 56881440

約数和(自身を除く): 28771430

約数列:

[1, 2, 5, 10, 17, 34, 37, 41, 74, 82, 85, 109, 170, 185, 205, 218, 370, 410, 545, 629, 697, 1090, 1258, 1394, 1517, 1853, 3034, 3145, 3485, 3706, 4033, 4469, 6290, 6970, 7585, 8066, 8938, 9265, 15170, 18530, 20165, 22345, 25789, 40330, 44690, 51578, 68561, 75973, 128945, 137122, 151946, 165353, 257890, 330706, 342805, 379865, 685610, 759730, 826765, 1653530, 2811001, 5622002, 14055005, 28110010]

約数ペア:

[(1, 28110010), (2, 14055005), (5, 5622002), (10, 2811001), (17, 1653530), (34, 826765), (37, 759730), (41, 685610), (74, 379865), (82, 342805), (85, 330706), (109, 257890), (170, 165353), (185, 151946), (205, 137122), (218, 128945), (370, 75973), (410, 68561), (545, 51578), (629, 44690), (697, 40330), (1090, 25789), (1258, 22345), (1394, 20165), (1517, 18530), (1853, 15170), (3034, 9265), (3145, 8938), (3485, 8066), (3706, 7585), (4033, 6970), (4469, 6290)]