228678961900

素因数分解:

$2^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{2801}}^1\times {\mathrm{4561}}^1$

素因数の和:7555

約数の個数: 72

約数和(自身を含む): 499293199440

約数和(自身を除く): 270614237540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 179, 358, 716, 895, 1790, 2801, 3580, 4475, 4561, 5602, 8950, 9122, 11204, 14005, 17900, 18244, 22805, 28010, 45610, 56020, 70025, 91220, 114025, 140050, 228050, 280100, 456100, 501379, 816419, 1002758, 1632838, 2005516, 2506895, 3265676, 4082095, 5013790, 8164190, 10027580, 12534475, 12775361, 16328380, 20410475, 25068950, 25550722, 40820950, 50137900, 51101444, 63876805, 81641900, 127753610, 255507220, 319384025, 638768050, 1277536100, 2286789619, 4573579238, 9147158476, 11433948095, 22867896190, 45735792380, 57169740475, 114339480950, 228678961900]

約数ペア:

[(1, 228678961900), (2, 114339480950), (4, 57169740475), (5, 45735792380), (10, 22867896190), (20, 11433948095), (25, 9147158476), (50, 4573579238), (100, 2286789619), (179, 1277536100), (358, 638768050), (716, 319384025), (895, 255507220), (1790, 127753610), (2801, 81641900), (3580, 63876805), (4475, 51101444), (4561, 50137900), (5602, 40820950), (8950, 25550722), (9122, 25068950), (11204, 20410475), (14005, 16328380), (17900, 12775361), (18244, 12534475), (22805, 10027580), (28010, 8164190), (45610, 5013790), (56020, 4082095), (70025, 3265676), (91220, 2506895), (114025, 2005516), (140050, 1632838), (228050, 1002758), (280100, 816419), (456100, 501379)]