255786588

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 723340800

約数和(自身を除く): 467554212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 71, 76, 92, 114, 138, 142, 171, 207, 213, 228, 229, 276, 284, 342, 414, 426, 437, 458, 639, 684, 687, 828, 852, 874, 916, 1278, 1311, 1349, 1374, 1633, 1748, 2061, 2556, 2622, 2698, 2748, 3266, 3933, 4047, 4122, 4351, 4899, 5244, 5267, 5396, 6532, 7866, 8094, 8244, 8702, 9798, 10534, 12141, 13053, 14697, 15732, 15801, 16188, 16259, 17404, 19596, 21068, 24282, 26106, 29394, 31027, 31602, 32518, 39159, 47403, 48564, 48777, 52212, 58788, 62054, 63204, 65036, 78318, 93081, 94806, 97554, 100073, 124108, 146331, 156636, 186162, 189612, 195108, 200146, 279243, 292662, 300219, 308921, 372324, 373957, 400292, 558486, 585324, 600438, 617842, 747914, 900657, 926763, 1116972, 1121871, 1200876, 1235684, 1495828, 1801314, 1853526, 2243742, 2780289, 3365613, 3602628, 3707052, 4487484, 5560578, 6731226, 7105183, 11121156, 13462452, 14210366, 21315549, 28420732, 42631098, 63946647, 85262196, 127893294, 255786588]

約数ペア:

[(1, 255786588), (2, 127893294), (3, 85262196), (4, 63946647), (6, 42631098), (9, 28420732), (12, 21315549), (18, 14210366), (19, 13462452), (23, 11121156), (36, 7105183), (38, 6731226), (46, 5560578), (57, 4487484), (69, 3707052), (71, 3602628), (76, 3365613), (92, 2780289), (114, 2243742), (138, 1853526), (142, 1801314), (171, 1495828), (207, 1235684), (213, 1200876), (228, 1121871), (229, 1116972), (276, 926763), (284, 900657), (342, 747914), (414, 617842), (426, 600438), (437, 585324), (458, 558486), (639, 400292), (684, 373957), (687, 372324), (828, 308921), (852, 300219), (874, 292662), (916, 279243), (1278, 200146), (1311, 195108), (1349, 189612), (1374, 186162), (1633, 156636), (1748, 146331), (2061, 124108), (2556, 100073), (2622, 97554), (2698, 94806), (2748, 93081), (3266, 78318), (3933, 65036), (4047, 63204), (4122, 62054), (4351, 58788), (4899, 52212), (5244, 48777), (5267, 48564), (5396, 47403), (6532, 39159), (7866, 32518), (8094, 31602), (8244, 31027), (8702, 29394), (9798, 26106), (10534, 24282), (12141, 21068), (13053, 19596), (14697, 17404), (15732, 16259), (15801, 16188)]