281030004

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{601}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 736270080

約数和(自身を除く): 455240076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 419, 558, 601, 838, 1116, 1202, 1257, 1676, 1803, 2404, 2514, 3606, 3771, 5028, 5409, 7212, 7542, 10818, 12989, 15084, 18631, 21636, 25978, 37262, 38967, 51956, 55893, 74524, 77934, 111786, 116901, 155868, 167679, 223572, 233802, 251819, 335358, 467604, 503638, 670716, 755457, 1007276, 1510914, 2266371, 3021828, 4532742, 7806389, 9065484, 15612778, 23419167, 31225556, 46838334, 70257501, 93676668, 140515002, 281030004]

約数ペア:

[(1, 281030004), (2, 140515002), (3, 93676668), (4, 70257501), (6, 46838334), (9, 31225556), (12, 23419167), (18, 15612778), (31, 9065484), (36, 7806389), (62, 4532742), (93, 3021828), (124, 2266371), (186, 1510914), (279, 1007276), (372, 755457), (419, 670716), (558, 503638), (601, 467604), (838, 335358), (1116, 251819), (1202, 233802), (1257, 223572), (1676, 167679), (1803, 155868), (2404, 116901), (2514, 111786), (3606, 77934), (3771, 74524), (5028, 55893), (5409, 51956), (7212, 38967), (7542, 37262), (10818, 25978), (12989, 21636), (15084, 18631)]