490647924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 1380322944

約数和(自身を除く): 889675020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 131, 151, 156, 159, 212, 234, 262, 302, 318, 393, 453, 468, 477, 524, 604, 636, 689, 786, 906, 954, 1179, 1359, 1378, 1572, 1703, 1812, 1908, 1963, 2067, 2358, 2718, 2756, 3406, 3926, 4134, 4716, 5109, 5436, 5889, 6201, 6812, 6943, 7852, 8003, 8268, 10218, 11778, 12402, 13886, 15327, 16006, 17667, 19781, 20436, 20829, 23556, 24009, 24804, 27772, 30654, 32012, 35334, 39562, 41658, 48018, 59343, 61308, 62487, 70668, 72027, 79124, 83316, 90259, 96036, 104039, 118686, 124974, 144054, 178029, 180518, 208078, 237372, 249948, 257153, 270777, 288108, 312117, 356058, 361036, 416156, 514306, 541554, 624234, 712116, 771459, 812331, 936351, 1028612, 1048393, 1083108, 1248468, 1542918, 1624662, 1872702, 2096786, 2314377, 3085836, 3145179, 3249324, 3745404, 4193572, 4628754, 6290358, 9257508, 9435537, 12580716, 13629109, 18871074, 27258218, 37742148, 40887327, 54516436, 81774654, 122661981, 163549308, 245323962, 490647924]

約数ペア:

[(1, 490647924), (2, 245323962), (3, 163549308), (4, 122661981), (6, 81774654), (9, 54516436), (12, 40887327), (13, 37742148), (18, 27258218), (26, 18871074), (36, 13629109), (39, 12580716), (52, 9435537), (53, 9257508), (78, 6290358), (106, 4628754), (117, 4193572), (131, 3745404), (151, 3249324), (156, 3145179), (159, 3085836), (212, 2314377), (234, 2096786), (262, 1872702), (302, 1624662), (318, 1542918), (393, 1248468), (453, 1083108), (468, 1048393), (477, 1028612), (524, 936351), (604, 812331), (636, 771459), (689, 712116), (786, 624234), (906, 541554), (954, 514306), (1179, 416156), (1359, 361036), (1378, 356058), (1572, 312117), (1703, 288108), (1812, 270777), (1908, 257153), (1963, 249948), (2067, 237372), (2358, 208078), (2718, 180518), (2756, 178029), (3406, 144054), (3926, 124974), (4134, 118686), (4716, 104039), (5109, 96036), (5436, 90259), (5889, 83316), (6201, 79124), (6812, 72027), (6943, 70668), (7852, 62487), (8003, 61308), (8268, 59343), (10218, 48018), (11778, 41658), (12402, 39562), (13886, 35334), (15327, 32012), (16006, 30654), (17667, 27772), (19781, 24804), (20436, 24009), (20829, 23556)]