2054328260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 4839004800

約数和(自身を除く): 2784676540

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 89, 92, 95, 115, 139, 178, 190, 230, 278, 356, 361, 380, 437, 445, 460, 556, 695, 722, 874, 890, 1390, 1444, 1691, 1748, 1780, 1805, 2047, 2185, 2641, 2780, 3197, 3382, 3610, 4094, 4370, 5282, 6394, 6764, 7220, 8188, 8303, 8455, 8740, 10235, 10564, 12371, 12788, 13205, 15985, 16606, 16910, 20470, 24742, 26410, 31970, 32129, 33212, 33820, 38893, 40940, 41515, 49484, 50179, 52820, 60743, 61855, 63940, 64258, 77786, 83030, 100358, 121486, 123710, 128516, 155572, 160645, 166060, 194465, 200716, 235049, 242972, 247420, 250895, 284533, 303715, 321290, 388930, 470098, 501790, 569066, 607430, 642580, 738967, 777860, 940196, 1003580, 1138132, 1154117, 1175245, 1214860, 1422665, 1477934, 2308234, 2350490, 2845330, 2955868, 3694835, 4465931, 4616468, 4700980, 5406127, 5690660, 5770585, 7389670, 8931862, 10812254, 11541170, 14779340, 17863724, 21624508, 22329655, 23082340, 27030635, 44659310, 54061270, 89318620, 102716413, 108122540, 205432826, 410865652, 513582065, 1027164130, 2054328260]

約数ペア:

[(1, 2054328260), (2, 1027164130), (4, 513582065), (5, 410865652), (10, 205432826), (19, 108122540), (20, 102716413), (23, 89318620), (38, 54061270), (46, 44659310), (76, 27030635), (89, 23082340), (92, 22329655), (95, 21624508), (115, 17863724), (139, 14779340), (178, 11541170), (190, 10812254), (230, 8931862), (278, 7389670), (356, 5770585), (361, 5690660), (380, 5406127), (437, 4700980), (445, 4616468), (460, 4465931), (556, 3694835), (695, 2955868), (722, 2845330), (874, 2350490), (890, 2308234), (1390, 1477934), (1444, 1422665), (1691, 1214860), (1748, 1175245), (1780, 1154117), (1805, 1138132), (2047, 1003580), (2185, 940196), (2641, 777860), (2780, 738967), (3197, 642580), (3382, 607430), (3610, 569066), (4094, 501790), (4370, 470098), (5282, 388930), (6394, 321290), (6764, 303715), (7220, 284533), (8188, 250895), (8303, 247420), (8455, 242972), (8740, 235049), (10235, 200716), (10564, 194465), (12371, 166060), (12788, 160645), (13205, 155572), (15985, 128516), (16606, 123710), (16910, 121486), (20470, 100358), (24742, 83030), (26410, 77786), (31970, 64258), (32129, 63940), (33212, 61855), (33820, 60743), (38893, 52820), (40940, 50179), (41515, 49484)]