51721430020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{1021}}^1$

素因数の和:1290

約数の個数: 192

約数和(自身を含む): 126470586816

約数和(自身を除く): 74749156796

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 73, 85, 130, 146, 157, 170, 221, 260, 292, 314, 340, 365, 442, 628, 730, 785, 884, 949, 1021, 1105, 1241, 1460, 1570, 1898, 2041, 2042, 2210, 2482, 2669, 3140, 3796, 4082, 4084, 4420, 4745, 4964, 5105, 5338, 6205, 8164, 9490, 10205, 10210, 10676, 11461, 12410, 13273, 13345, 16133, 17357, 18980, 20410, 20420, 22922, 24820, 26546, 26690, 32266, 34697, 34714, 40820, 45844, 53092, 53380, 57305, 64532, 66365, 69394, 69428, 74533, 80665, 86785, 114610, 132730, 138788, 148993, 149066, 160297, 161330, 173485, 173570, 194837, 225641, 229220, 265460, 297986, 298132, 320594, 322660, 346970, 347140, 372665, 389674, 451282, 595972, 641188, 693940, 744965, 745330, 779348, 801485, 902564, 968929, 974185, 1128205, 1267061, 1489930, 1490660, 1602970, 1937858, 1948370, 2083861, 2256410, 2532881, 2534122, 2725049, 2979860, 3205940, 3875716, 3896740, 4167722, 4512820, 4844645, 5065762, 5068244, 5450098, 6335305, 8335444, 9689290, 10131524, 10419305, 10900196, 11701681, 12664405, 12670610, 13625245, 16471793, 19378580, 20838610, 23403362, 25328810, 25341220, 27250490, 32943586, 35425637, 41677220, 46806724, 50657620, 54500980, 58508405, 65887172, 70851274, 82358965, 117016810, 141702548, 152121853, 164717930, 177128185, 198928577, 234033620, 304243706, 329435860, 354256370, 397857154, 608487412, 708512740, 760609265, 795714308, 994642885, 1521218530, 1989285770, 2586071501, 3042437060, 3978571540, 5172143002, 10344286004, 12930357505, 25860715010, 51721430020]

約数ペア:

[(1, 51721430020), (2, 25860715010), (4, 12930357505), (5, 10344286004), (10, 5172143002), (13, 3978571540), (17, 3042437060), (20, 2586071501), (26, 1989285770), (34, 1521218530), (52, 994642885), (65, 795714308), (68, 760609265), (73, 708512740), (85, 608487412), (130, 397857154), (146, 354256370), (157, 329435860), (170, 304243706), (221, 234033620), (260, 198928577), (292, 177128185), (314, 164717930), (340, 152121853), (365, 141702548), (442, 117016810), (628, 82358965), (730, 70851274), (785, 65887172), (884, 58508405), (949, 54500980), (1021, 50657620), (1105, 46806724), (1241, 41677220), (1460, 35425637), (1570, 32943586), (1898, 27250490), (2041, 25341220), (2042, 25328810), (2210, 23403362), (2482, 20838610), (2669, 19378580), (3140, 16471793), (3796, 13625245), (4082, 12670610), (4084, 12664405), (4420, 11701681), (4745, 10900196), (4964, 10419305), (5105, 10131524), (5338, 9689290), (6205, 8335444), (8164, 6335305), (9490, 5450098), (10205, 5068244), (10210, 5065762), (10676, 4844645), (11461, 4512820), (12410, 4167722), (13273, 3896740), (13345, 3875716), (16133, 3205940), (17357, 2979860), (18980, 2725049), (20410, 2534122), (20420, 2532881), (22922, 2256410), (24820, 2083861), (26546, 1948370), (26690, 1937858), (32266, 1602970), (34697, 1490660), (34714, 1489930), (40820, 1267061), (45844, 1128205), (53092, 974185), (53380, 968929), (57305, 902564), (64532, 801485), (66365, 779348), (69394, 745330), (69428, 744965), (74533, 693940), (80665, 641188), (86785, 595972), (114610, 451282), (132730, 389674), (138788, 372665), (148993, 347140), (149066, 346970), (160297, 322660), (161330, 320594), (173485, 298132), (173570, 297986), (194837, 265460), (225641, 229220)]