438778840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{13729}}^1$

素因数の和:13804

約数の個数: 64

約数和(自身を含む): 1067644800

約数和(自身を除く): 628865960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 6392, 7990, 13729, 15980, 27458, 31960, 54916, 68645, 109832, 137290, 233393, 274580, 466786, 549160, 645263, 933572, 1166965, 1290526, 1867144, 2333930, 2581052, 3226315, 4667860, 5162104, 6452630, 9335720, 10969471, 12905260, 21938942, 25810520, 43877884, 54847355, 87755768, 109694710, 219389420, 438778840]

約数ペア:

[(1, 438778840), (2, 219389420), (4, 109694710), (5, 87755768), (8, 54847355), (10, 43877884), (17, 25810520), (20, 21938942), (34, 12905260), (40, 10969471), (47, 9335720), (68, 6452630), (85, 5162104), (94, 4667860), (136, 3226315), (170, 2581052), (188, 2333930), (235, 1867144), (340, 1290526), (376, 1166965), (470, 933572), (680, 645263), (799, 549160), (940, 466786), (1598, 274580), (1880, 233393), (3196, 137290), (3995, 109832), (6392, 68645), (7990, 54916), (13729, 31960), (15980, 27458)]