2556220100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2818

約数の個数: 144

約数和(自身を含む): 6769566720

約数和(自身を除く): 4213346620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 71, 76, 95, 100, 133, 140, 142, 175, 190, 266, 284, 350, 355, 380, 475, 497, 532, 665, 700, 710, 950, 994, 1330, 1349, 1420, 1775, 1900, 1988, 2485, 2660, 2698, 2707, 3325, 3550, 4970, 5396, 5414, 6650, 6745, 7100, 9443, 9940, 10828, 12425, 13300, 13490, 13535, 18886, 18949, 24850, 26980, 27070, 33725, 37772, 37898, 47215, 49700, 51433, 54140, 67450, 67675, 75796, 94430, 94745, 102866, 134900, 135350, 188860, 189490, 192197, 205732, 236075, 257165, 270700, 360031, 378980, 384394, 472150, 473725, 514330, 720062, 768788, 944300, 947450, 960985, 1028660, 1285825, 1345379, 1440124, 1800155, 1894900, 1921970, 2571650, 2690758, 3600310, 3651743, 3843940, 4804925, 5143300, 5381516, 6726895, 7200620, 7303486, 9000775, 9609850, 13453790, 14606972, 18001550, 18258715, 19219700, 25562201, 26907580, 33634475, 36003100, 36517430, 51124402, 67268950, 73034860, 91293575, 102248804, 127811005, 134537900, 182587150, 255622010, 365174300, 511244020, 639055025, 1278110050, 2556220100]

約数ペア:

[(1, 2556220100), (2, 1278110050), (4, 639055025), (5, 511244020), (7, 365174300), (10, 255622010), (14, 182587150), (19, 134537900), (20, 127811005), (25, 102248804), (28, 91293575), (35, 73034860), (38, 67268950), (50, 51124402), (70, 36517430), (71, 36003100), (76, 33634475), (95, 26907580), (100, 25562201), (133, 19219700), (140, 18258715), (142, 18001550), (175, 14606972), (190, 13453790), (266, 9609850), (284, 9000775), (350, 7303486), (355, 7200620), (380, 6726895), (475, 5381516), (497, 5143300), (532, 4804925), (665, 3843940), (700, 3651743), (710, 3600310), (950, 2690758), (994, 2571650), (1330, 1921970), (1349, 1894900), (1420, 1800155), (1775, 1440124), (1900, 1345379), (1988, 1285825), (2485, 1028660), (2660, 960985), (2698, 947450), (2707, 944300), (3325, 768788), (3550, 720062), (4970, 514330), (5396, 473725), (5414, 472150), (6650, 384394), (6745, 378980), (7100, 360031), (9443, 270700), (9940, 257165), (10828, 236075), (12425, 205732), (13300, 192197), (13490, 189490), (13535, 188860), (18886, 135350), (18949, 134900), (24850, 102866), (26980, 94745), (27070, 94430), (33725, 75796), (37772, 67675), (37898, 67450), (47215, 54140), (49700, 51433)]