201728304620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{20879}}^1$

素因数の和:21243

約数の個数: 96

約数和(自身を含む): 453921511680

約数和(自身を除く): 252193207060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 181, 314, 340, 362, 628, 724, 785, 905, 1570, 1810, 2669, 3077, 3140, 3620, 5338, 6154, 10676, 12308, 13345, 15385, 20879, 26690, 28417, 30770, 41758, 53380, 56834, 61540, 83516, 104395, 113668, 142085, 208790, 284170, 354943, 417580, 483089, 568340, 709886, 966178, 1419772, 1774715, 1932356, 2415445, 3278003, 3549430, 3779099, 4830890, 6556006, 7098860, 7558198, 9661780, 13112012, 15116396, 16390015, 18895495, 32780030, 37790990, 55726051, 64244683, 65560060, 75581980, 111452102, 128489366, 222904204, 256978732, 278630255, 321223415, 557260510, 593318543, 642446830, 1114521020, 1186637086, 1284893660, 2373274172, 2966592715, 5933185430, 10086415231, 11866370860, 20172830462, 40345660924, 50432076155, 100864152310, 201728304620]

約数ペア:

[(1, 201728304620), (2, 100864152310), (4, 50432076155), (5, 40345660924), (10, 20172830462), (17, 11866370860), (20, 10086415231), (34, 5933185430), (68, 2966592715), (85, 2373274172), (157, 1284893660), (170, 1186637086), (181, 1114521020), (314, 642446830), (340, 593318543), (362, 557260510), (628, 321223415), (724, 278630255), (785, 256978732), (905, 222904204), (1570, 128489366), (1810, 111452102), (2669, 75581980), (3077, 65560060), (3140, 64244683), (3620, 55726051), (5338, 37790990), (6154, 32780030), (10676, 18895495), (12308, 16390015), (13345, 15116396), (15385, 13112012), (20879, 9661780), (26690, 7558198), (28417, 7098860), (30770, 6556006), (41758, 4830890), (53380, 3779099), (56834, 3549430), (61540, 3278003), (83516, 2415445), (104395, 1932356), (113668, 1774715), (142085, 1419772), (208790, 966178), (284170, 709886), (354943, 568340), (417580, 483089)]