78318100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2111}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 197987328

約数和(自身を除く): 119669228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 350, 371, 530, 700, 742, 1060, 1325, 1484, 1855, 2111, 2650, 3710, 4222, 5300, 7420, 8444, 9275, 10555, 14777, 18550, 21110, 29554, 37100, 42220, 52775, 59108, 73885, 105550, 111883, 147770, 211100, 223766, 295540, 369425, 447532, 559415, 738850, 783181, 1118830, 1477700, 1566362, 2237660, 2797075, 3132724, 3915905, 5594150, 7831810, 11188300, 15663620, 19579525, 39159050, 78318100]

約数ペア:

[(1, 78318100), (2, 39159050), (4, 19579525), (5, 15663620), (7, 11188300), (10, 7831810), (14, 5594150), (20, 3915905), (25, 3132724), (28, 2797075), (35, 2237660), (50, 1566362), (53, 1477700), (70, 1118830), (100, 783181), (106, 738850), (140, 559415), (175, 447532), (212, 369425), (265, 295540), (350, 223766), (371, 211100), (530, 147770), (700, 111883), (742, 105550), (1060, 73885), (1325, 59108), (1484, 52775), (1855, 42220), (2111, 37100), (2650, 29554), (3710, 21110), (4222, 18550), (5300, 14777), (7420, 10555), (8444, 9275)]