205540649480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{49253}}^1$

素因数の和:49336

約数の個数: 144

約数和(自身を含む): 518498335620

約数和(自身を除く): 312957686140

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 289, 323, 340, 361, 380, 578, 646, 680, 722, 760, 1156, 1292, 1444, 1445, 1615, 1805, 2312, 2584, 2888, 2890, 3230, 3610, 5491, 5780, 6137, 6460, 7220, 10982, 11560, 12274, 12920, 14440, 21964, 24548, 27455, 30685, 43928, 49096, 49253, 54910, 61370, 98506, 104329, 109820, 122740, 197012, 208658, 219640, 245480, 246265, 394024, 417316, 492530, 521645, 834632, 837301, 935807, 985060, 1043290, 1674602, 1871614, 1970120, 2086580, 3349204, 3743228, 4173160, 4186505, 4679035, 6698408, 7486456, 8373010, 9358070, 14234117, 15908719, 16746020, 17780333, 18716140, 28468234, 31817438, 33492040, 35560666, 37432280, 56936468, 63634876, 71121332, 71170585, 79543595, 88901665, 113872936, 127269752, 142242664, 142341170, 159087190, 177803330, 270448223, 284682340, 302265661, 318174380, 355606660, 540896446, 569364680, 604531322, 636348760, 711213320, 1081792892, 1209062644, 1352241115, 1511328305, 2163585784, 2418125288, 2704482230, 3022656610, 5138516237, 5408964460, 6045313220, 10277032474, 10817928920, 12090626440, 20554064948, 25692581185, 41108129896, 51385162370, 102770324740, 205540649480]

約数ペア:

[(1, 205540649480), (2, 102770324740), (4, 51385162370), (5, 41108129896), (8, 25692581185), (10, 20554064948), (17, 12090626440), (19, 10817928920), (20, 10277032474), (34, 6045313220), (38, 5408964460), (40, 5138516237), (68, 3022656610), (76, 2704482230), (85, 2418125288), (95, 2163585784), (136, 1511328305), (152, 1352241115), (170, 1209062644), (190, 1081792892), (289, 711213320), (323, 636348760), (340, 604531322), (361, 569364680), (380, 540896446), (578, 355606660), (646, 318174380), (680, 302265661), (722, 284682340), (760, 270448223), (1156, 177803330), (1292, 159087190), (1444, 142341170), (1445, 142242664), (1615, 127269752), (1805, 113872936), (2312, 88901665), (2584, 79543595), (2888, 71170585), (2890, 71121332), (3230, 63634876), (3610, 56936468), (5491, 37432280), (5780, 35560666), (6137, 33492040), (6460, 31817438), (7220, 28468234), (10982, 18716140), (11560, 17780333), (12274, 16746020), (12920, 15908719), (14440, 14234117), (21964, 9358070), (24548, 8373010), (27455, 7486456), (30685, 6698408), (43928, 4679035), (49096, 4186505), (49253, 4173160), (54910, 3743228), (61370, 3349204), (98506, 2086580), (104329, 1970120), (109820, 1871614), (122740, 1674602), (197012, 1043290), (208658, 985060), (219640, 935807), (245480, 837301), (246265, 834632), (394024, 521645), (417316, 492530)]