51729888980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{17839}}^1$

素因数の和:18142

約数の個数: 144

約数和(自身を含む): 138377030400

約数和(自身を除く): 86647141420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 269, 308, 385, 490, 538, 539, 770, 980, 1076, 1078, 1345, 1540, 1883, 2156, 2690, 2695, 2959, 3766, 5380, 5390, 5918, 7532, 9415, 10780, 11836, 13181, 14795, 17839, 18830, 20713, 26362, 29590, 35678, 37660, 41426, 52724, 59180, 65905, 71356, 82852, 89195, 103565, 124873, 131810, 144991, 178390, 196229, 207130, 249746, 263620, 289982, 356780, 392458, 414260, 499492, 579964, 624365, 724955, 784916, 874111, 981145, 1248730, 1373603, 1449910, 1748222, 1962290, 2497460, 2747206, 2899820, 3496444, 3924580, 4370555, 4798691, 5494412, 6868015, 8741110, 9597382, 9615221, 13736030, 17482220, 19194764, 19230442, 23993455, 27472060, 33590837, 38460884, 47986910, 48076105, 52785601, 67181674, 95973820, 96152210, 105571202, 134363348, 167954185, 192304420, 211142404, 235135859, 263928005, 335908370, 369499207, 470271718, 527856010, 671816740, 738998414, 940543436, 1055712020, 1175679295, 1477996828, 1847496035, 2351358590, 2586494449, 3694992070, 4702717180, 5172988898, 7389984140, 10345977796, 12932472245, 25864944490, 51729888980]

約数ペア:

[(1, 51729888980), (2, 25864944490), (4, 12932472245), (5, 10345977796), (7, 7389984140), (10, 5172988898), (11, 4702717180), (14, 3694992070), (20, 2586494449), (22, 2351358590), (28, 1847496035), (35, 1477996828), (44, 1175679295), (49, 1055712020), (55, 940543436), (70, 738998414), (77, 671816740), (98, 527856010), (110, 470271718), (140, 369499207), (154, 335908370), (196, 263928005), (220, 235135859), (245, 211142404), (269, 192304420), (308, 167954185), (385, 134363348), (490, 105571202), (538, 96152210), (539, 95973820), (770, 67181674), (980, 52785601), (1076, 48076105), (1078, 47986910), (1345, 38460884), (1540, 33590837), (1883, 27472060), (2156, 23993455), (2690, 19230442), (2695, 19194764), (2959, 17482220), (3766, 13736030), (5380, 9615221), (5390, 9597382), (5918, 8741110), (7532, 6868015), (9415, 5494412), (10780, 4798691), (11836, 4370555), (13181, 3924580), (14795, 3496444), (17839, 2899820), (18830, 2747206), (20713, 2497460), (26362, 1962290), (29590, 1748222), (35678, 1449910), (37660, 1373603), (41426, 1248730), (52724, 981145), (59180, 874111), (65905, 784916), (71356, 724955), (82852, 624365), (89195, 579964), (103565, 499492), (124873, 414260), (131810, 392458), (144991, 356780), (178390, 289982), (196229, 263620), (207130, 249746)]