103980920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 261273600

約数和(自身を除く): 157292680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 47, 71, 76, 82, 94, 95, 142, 152, 164, 188, 190, 205, 235, 284, 328, 355, 376, 380, 410, 470, 568, 710, 760, 779, 820, 893, 940, 1349, 1420, 1558, 1640, 1786, 1880, 1927, 2698, 2840, 2911, 3116, 3337, 3572, 3854, 3895, 4465, 5396, 5822, 6232, 6674, 6745, 7144, 7708, 7790, 8930, 9635, 10792, 11644, 13348, 13490, 14555, 15416, 15580, 16685, 17860, 19270, 23288, 26696, 26980, 29110, 31160, 33370, 35720, 36613, 38540, 53960, 55309, 58220, 63403, 66740, 73226, 77080, 110618, 116440, 126806, 133480, 136817, 146452, 183065, 221236, 253612, 273634, 276545, 292904, 317015, 366130, 442472, 507224, 547268, 553090, 634030, 684085, 732260, 1094536, 1106180, 1268060, 1368170, 1464520, 2212360, 2536120, 2599523, 2736340, 5199046, 5472680, 10398092, 12997615, 20796184, 25995230, 51990460, 103980920]

約数ペア:

[(1, 103980920), (2, 51990460), (4, 25995230), (5, 20796184), (8, 12997615), (10, 10398092), (19, 5472680), (20, 5199046), (38, 2736340), (40, 2599523), (41, 2536120), (47, 2212360), (71, 1464520), (76, 1368170), (82, 1268060), (94, 1106180), (95, 1094536), (142, 732260), (152, 684085), (164, 634030), (188, 553090), (190, 547268), (205, 507224), (235, 442472), (284, 366130), (328, 317015), (355, 292904), (376, 276545), (380, 273634), (410, 253612), (470, 221236), (568, 183065), (710, 146452), (760, 136817), (779, 133480), (820, 126806), (893, 116440), (940, 110618), (1349, 77080), (1420, 73226), (1558, 66740), (1640, 63403), (1786, 58220), (1880, 55309), (1927, 53960), (2698, 38540), (2840, 36613), (2911, 35720), (3116, 33370), (3337, 31160), (3572, 29110), (3854, 26980), (3895, 26696), (4465, 23288), (5396, 19270), (5822, 17860), (6232, 16685), (6674, 15580), (6745, 15416), (7144, 14555), (7708, 13490), (7790, 13348), (8930, 11644), (9635, 10792)]