250487440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 703954944

約数和(自身を除く): 453467504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 47, 56, 62, 70, 80, 94, 112, 124, 140, 155, 188, 217, 235, 248, 280, 307, 310, 329, 376, 434, 470, 496, 560, 614, 620, 658, 752, 868, 940, 1085, 1228, 1240, 1316, 1457, 1535, 1645, 1736, 1880, 2149, 2170, 2456, 2480, 2632, 2914, 3070, 3290, 3472, 3760, 4298, 4340, 4912, 5264, 5828, 6140, 6580, 7285, 8596, 8680, 9517, 10199, 10745, 11656, 12280, 13160, 14429, 14570, 17192, 17360, 19034, 20398, 21490, 23312, 24560, 26320, 28858, 29140, 34384, 38068, 40796, 42980, 47585, 50995, 57716, 58280, 66619, 72145, 76136, 81592, 85960, 95170, 101003, 101990, 115432, 116560, 133238, 144290, 152272, 163184, 171920, 190340, 202006, 203980, 230864, 266476, 288580, 333095, 380680, 404012, 407960, 447299, 505015, 532952, 577160, 666190, 761360, 808024, 815920, 894598, 1010030, 1065904, 1154320, 1332380, 1616048, 1789196, 2020060, 2236495, 2664760, 3131093, 3578392, 4040120, 4472990, 5329520, 6262186, 7156784, 8080240, 8945980, 12524372, 15655465, 17891960, 25048744, 31310930, 35783920, 50097488, 62621860, 125243720, 250487440]

約数ペア:

[(1, 250487440), (2, 125243720), (4, 62621860), (5, 50097488), (7, 35783920), (8, 31310930), (10, 25048744), (14, 17891960), (16, 15655465), (20, 12524372), (28, 8945980), (31, 8080240), (35, 7156784), (40, 6262186), (47, 5329520), (56, 4472990), (62, 4040120), (70, 3578392), (80, 3131093), (94, 2664760), (112, 2236495), (124, 2020060), (140, 1789196), (155, 1616048), (188, 1332380), (217, 1154320), (235, 1065904), (248, 1010030), (280, 894598), (307, 815920), (310, 808024), (329, 761360), (376, 666190), (434, 577160), (470, 532952), (496, 505015), (560, 447299), (614, 407960), (620, 404012), (658, 380680), (752, 333095), (868, 288580), (940, 266476), (1085, 230864), (1228, 203980), (1240, 202006), (1316, 190340), (1457, 171920), (1535, 163184), (1645, 152272), (1736, 144290), (1880, 133238), (2149, 116560), (2170, 115432), (2456, 101990), (2480, 101003), (2632, 95170), (2914, 85960), (3070, 81592), (3290, 76136), (3472, 72145), (3760, 66619), (4298, 58280), (4340, 57716), (4912, 50995), (5264, 47585), (5828, 42980), (6140, 40796), (6580, 38068), (7285, 34384), (8596, 29140), (8680, 28858), (9517, 26320), (10199, 24560), (10745, 23312), (11656, 21490), (12280, 20398), (13160, 19034), (14429, 17360), (14570, 17192)]