248323460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 666029952

約数和(自身を除く): 417706492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 107, 110, 121, 137, 140, 154, 214, 220, 242, 274, 308, 385, 428, 484, 535, 548, 605, 685, 749, 770, 847, 959, 1070, 1177, 1210, 1370, 1498, 1507, 1540, 1694, 1918, 2140, 2354, 2420, 2740, 2996, 3014, 3388, 3745, 3836, 4235, 4708, 4795, 5885, 6028, 7490, 7535, 8239, 8470, 9590, 10549, 11770, 12947, 14659, 14980, 15070, 16478, 16577, 16940, 19180, 21098, 23540, 25894, 29318, 30140, 32956, 33154, 41195, 42196, 51788, 52745, 58636, 64735, 66308, 73295, 82390, 82885, 90629, 102613, 105490, 116039, 129470, 146590, 161249, 164780, 165770, 181258, 205226, 210980, 232078, 258940, 293180, 322498, 331540, 362516, 410452, 453145, 464156, 513065, 580195, 644996, 806245, 906290, 1026130, 1128743, 1160390, 1612490, 1773739, 1812580, 2052260, 2257486, 2320780, 3224980, 3547478, 4514972, 5643715, 7094956, 8868695, 11287430, 12416173, 17737390, 22574860, 24832346, 35474780, 49664692, 62080865, 124161730, 248323460]

約数ペア:

[(1, 248323460), (2, 124161730), (4, 62080865), (5, 49664692), (7, 35474780), (10, 24832346), (11, 22574860), (14, 17737390), (20, 12416173), (22, 11287430), (28, 8868695), (35, 7094956), (44, 5643715), (55, 4514972), (70, 3547478), (77, 3224980), (107, 2320780), (110, 2257486), (121, 2052260), (137, 1812580), (140, 1773739), (154, 1612490), (214, 1160390), (220, 1128743), (242, 1026130), (274, 906290), (308, 806245), (385, 644996), (428, 580195), (484, 513065), (535, 464156), (548, 453145), (605, 410452), (685, 362516), (749, 331540), (770, 322498), (847, 293180), (959, 258940), (1070, 232078), (1177, 210980), (1210, 205226), (1370, 181258), (1498, 165770), (1507, 164780), (1540, 161249), (1694, 146590), (1918, 129470), (2140, 116039), (2354, 105490), (2420, 102613), (2740, 90629), (2996, 82885), (3014, 82390), (3388, 73295), (3745, 66308), (3836, 64735), (4235, 58636), (4708, 52745), (4795, 51788), (5885, 42196), (6028, 41195), (7490, 33154), (7535, 32956), (8239, 30140), (8470, 29318), (9590, 25894), (10549, 23540), (11770, 21098), (12947, 19180), (14659, 16940), (14980, 16577), (15070, 16478)]