2005015600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4561}}^1$

素因数の和:4743

約数の個数: 120

約数和(自身を含む): 5541479648

約数和(自身を除く): 3536464048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 157, 175, 200, 280, 314, 350, 400, 560, 628, 700, 785, 1099, 1256, 1400, 1570, 2198, 2512, 2800, 3140, 3925, 4396, 4561, 5495, 6280, 7850, 8792, 9122, 10990, 12560, 15700, 17584, 18244, 21980, 22805, 27475, 31400, 31927, 36488, 43960, 45610, 54950, 62800, 63854, 72976, 87920, 91220, 109900, 114025, 127708, 159635, 182440, 219800, 228050, 255416, 319270, 364880, 439600, 456100, 510832, 638540, 716077, 798175, 912200, 1277080, 1432154, 1596350, 1824400, 2554160, 2864308, 3192700, 3580385, 5012539, 5728616, 6385400, 7160770, 10025078, 11457232, 12770800, 14321540, 17901925, 20050156, 25062695, 28643080, 35803850, 40100312, 50125390, 57286160, 71607700, 80200624, 100250780, 125313475, 143215400, 200501560, 250626950, 286430800, 401003120, 501253900, 1002507800, 2005015600]

約数ペア:

[(1, 2005015600), (2, 1002507800), (4, 501253900), (5, 401003120), (7, 286430800), (8, 250626950), (10, 200501560), (14, 143215400), (16, 125313475), (20, 100250780), (25, 80200624), (28, 71607700), (35, 57286160), (40, 50125390), (50, 40100312), (56, 35803850), (70, 28643080), (80, 25062695), (100, 20050156), (112, 17901925), (140, 14321540), (157, 12770800), (175, 11457232), (200, 10025078), (280, 7160770), (314, 6385400), (350, 5728616), (400, 5012539), (560, 3580385), (628, 3192700), (700, 2864308), (785, 2554160), (1099, 1824400), (1256, 1596350), (1400, 1432154), (1570, 1277080), (2198, 912200), (2512, 798175), (2800, 716077), (3140, 638540), (3925, 510832), (4396, 456100), (4561, 439600), (5495, 364880), (6280, 319270), (7850, 255416), (8792, 228050), (9122, 219800), (10990, 182440), (12560, 159635), (15700, 127708), (17584, 114025), (18244, 109900), (21980, 91220), (22805, 87920), (27475, 72976), (31400, 63854), (31927, 62800), (36488, 54950), (43960, 45610)]