201620041990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{769}}^1$

素因数の和:1178

約数の個数: 128

約数和(自身を含む): 396098398080

約数和(自身を除く): 194478356090

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 131, 170, 193, 262, 305, 386, 610, 655, 769, 965, 1037, 1310, 1538, 1930, 2074, 2227, 3281, 3845, 4454, 5185, 6562, 7690, 7991, 10370, 11135, 11773, 13073, 15982, 16405, 22270, 23546, 25283, 26146, 32810, 39955, 46909, 50566, 58865, 65365, 79910, 93818, 100739, 117730, 126415, 130730, 135847, 148417, 200141, 201478, 234545, 252830, 271694, 296834, 400282, 429811, 469090, 503695, 679235, 742085, 797453, 859622, 1000705, 1007390, 1358470, 1484170, 1542263, 1594906, 1712563, 2001410, 2149055, 2523089, 3084526, 3425126, 3987265, 4298110, 5046178, 6145079, 7711315, 7974530, 8562815, 9053437, 12290158, 12615445, 15422630, 17125630, 18106874, 19442627, 25230890, 26218471, 30725395, 38885254, 45267185, 52436942, 61450790, 90534370, 97213135, 104466343, 131092355, 153908429, 194426270, 208932686, 262184710, 307816858, 330524659, 522331715, 661049318, 769542145, 1044663430, 1186000247, 1539084290, 1652623295, 2372000494, 3305246590, 5930001235, 11860002470, 20162004199, 40324008398, 100810020995, 201620041990]

約数ペア:

[(1, 201620041990), (2, 100810020995), (5, 40324008398), (10, 20162004199), (17, 11860002470), (34, 5930001235), (61, 3305246590), (85, 2372000494), (122, 1652623295), (131, 1539084290), (170, 1186000247), (193, 1044663430), (262, 769542145), (305, 661049318), (386, 522331715), (610, 330524659), (655, 307816858), (769, 262184710), (965, 208932686), (1037, 194426270), (1310, 153908429), (1538, 131092355), (1930, 104466343), (2074, 97213135), (2227, 90534370), (3281, 61450790), (3845, 52436942), (4454, 45267185), (5185, 38885254), (6562, 30725395), (7690, 26218471), (7991, 25230890), (10370, 19442627), (11135, 18106874), (11773, 17125630), (13073, 15422630), (15982, 12615445), (16405, 12290158), (22270, 9053437), (23546, 8562815), (25283, 7974530), (26146, 7711315), (32810, 6145079), (39955, 5046178), (46909, 4298110), (50566, 3987265), (58865, 3425126), (65365, 3084526), (79910, 2523089), (93818, 2149055), (100739, 2001410), (117730, 1712563), (126415, 1594906), (130730, 1542263), (135847, 1484170), (148417, 1358470), (200141, 1007390), (201478, 1000705), (234545, 859622), (252830, 797453), (271694, 742085), (296834, 679235), (400282, 503695), (429811, 469090)]