204795920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 575963136

約数和(自身を除く): 371167216

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, 251, 280, 310, 329, 376, 434, 470, 496, 502, 560, 620, 658, 752, 868, 940, 1004, 1085, 1240, 1255, 1316, 1457, 1645, 1736, 1757, 1880, 2008, 2170, 2480, 2510, 2632, 2914, 3290, 3472, 3514, 3760, 4016, 4340, 5020, 5264, 5828, 6580, 7028, 7285, 7781, 8680, 8785, 10040, 10199, 11656, 11797, 13160, 14056, 14570, 15562, 17360, 17570, 20080, 20398, 23312, 23594, 26320, 28112, 29140, 31124, 35140, 38905, 40796, 47188, 50995, 54467, 58280, 58985, 62248, 70280, 77810, 81592, 82579, 94376, 101990, 108934, 116560, 117970, 124496, 140560, 155620, 163184, 165158, 188752, 203980, 217868, 235940, 272335, 311240, 330316, 365707, 407960, 412895, 435736, 471880, 544670, 622480, 660632, 731414, 815920, 825790, 871472, 943760, 1089340, 1321264, 1462828, 1651580, 1828535, 2178680, 2559949, 2925656, 3303160, 3657070, 4357360, 5119898, 5851312, 6606320, 7314140, 10239796, 12799745, 14628280, 20479592, 25599490, 29256560, 40959184, 51198980, 102397960, 204795920]

約数ペア:

[(1, 204795920), (2, 102397960), (4, 51198980), (5, 40959184), (7, 29256560), (8, 25599490), (10, 20479592), (14, 14628280), (16, 12799745), (20, 10239796), (28, 7314140), (31, 6606320), (35, 5851312), (40, 5119898), (47, 4357360), (56, 3657070), (62, 3303160), (70, 2925656), (80, 2559949), (94, 2178680), (112, 1828535), (124, 1651580), (140, 1462828), (155, 1321264), (188, 1089340), (217, 943760), (235, 871472), (248, 825790), (251, 815920), (280, 731414), (310, 660632), (329, 622480), (376, 544670), (434, 471880), (470, 435736), (496, 412895), (502, 407960), (560, 365707), (620, 330316), (658, 311240), (752, 272335), (868, 235940), (940, 217868), (1004, 203980), (1085, 188752), (1240, 165158), (1255, 163184), (1316, 155620), (1457, 140560), (1645, 124496), (1736, 117970), (1757, 116560), (1880, 108934), (2008, 101990), (2170, 94376), (2480, 82579), (2510, 81592), (2632, 77810), (2914, 70280), (3290, 62248), (3472, 58985), (3514, 58280), (3760, 54467), (4016, 50995), (4340, 47188), (5020, 40796), (5264, 38905), (5828, 35140), (6580, 31124), (7028, 29140), (7285, 28112), (7781, 26320), (8680, 23594), (8785, 23312), (10040, 20398), (10199, 20080), (11656, 17570), (11797, 17360), (13160, 15562), (14056, 14570)]