431284220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 991533312

約数和(自身を除く): 560249092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 137, 170, 188, 197, 235, 274, 340, 394, 470, 548, 685, 788, 799, 940, 985, 1370, 1598, 1970, 2329, 2740, 3196, 3349, 3940, 3995, 4658, 6439, 6698, 7990, 9259, 9316, 11645, 12878, 13396, 15980, 16745, 18518, 23290, 25756, 26989, 32195, 33490, 37036, 46295, 46580, 53978, 64390, 66980, 92590, 107956, 109463, 128780, 134945, 157403, 185180, 218926, 269890, 314806, 437852, 458813, 539780, 547315, 629612, 787015, 917626, 1094630, 1268483, 1574030, 1835252, 2189260, 2294065, 2536966, 3148060, 4588130, 5073932, 6342415, 9176260, 12684830, 21564211, 25369660, 43128422, 86256844, 107821055, 215642110, 431284220]

約数ペア:

[(1, 431284220), (2, 215642110), (4, 107821055), (5, 86256844), (10, 43128422), (17, 25369660), (20, 21564211), (34, 12684830), (47, 9176260), (68, 6342415), (85, 5073932), (94, 4588130), (137, 3148060), (170, 2536966), (188, 2294065), (197, 2189260), (235, 1835252), (274, 1574030), (340, 1268483), (394, 1094630), (470, 917626), (548, 787015), (685, 629612), (788, 547315), (799, 539780), (940, 458813), (985, 437852), (1370, 314806), (1598, 269890), (1970, 218926), (2329, 185180), (2740, 157403), (3196, 134945), (3349, 128780), (3940, 109463), (3995, 107956), (4658, 92590), (6439, 66980), (6698, 64390), (7990, 53978), (9259, 46580), (9316, 46295), (11645, 37036), (12878, 33490), (13396, 32195), (15980, 26989), (16745, 25756), (18518, 23290)]