19739231540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:459

約数の個数: 192

約数和(自身を含む): 49373184000

約数和(自身を除く): 29633952460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 139, 140, 163, 196, 245, 254, 278, 326, 343, 490, 508, 556, 635, 652, 686, 695, 815, 889, 973, 980, 1141, 1270, 1372, 1390, 1630, 1715, 1778, 1946, 2282, 2540, 2780, 3260, 3430, 3556, 3892, 4445, 4564, 4865, 5705, 6223, 6811, 6860, 7987, 8890, 9730, 11410, 12446, 13622, 15974, 17653, 17780, 19460, 20701, 22657, 22820, 24892, 27244, 31115, 31948, 34055, 35306, 39935, 41402, 43561, 45314, 47677, 55909, 62230, 68110, 70612, 79870, 82804, 87122, 88265, 90628, 95354, 103505, 111818, 113285, 123571, 124460, 136220, 144907, 158599, 159740, 174244, 176530, 190708, 207010, 217805, 223636, 226570, 238385, 247142, 279545, 289814, 317198, 353060, 414020, 435610, 453140, 476770, 494284, 559090, 579628, 617855, 634396, 724535, 792995, 864997, 871220, 953540, 1014349, 1110193, 1118180, 1235710, 1449070, 1585990, 1729994, 2028698, 2220386, 2471420, 2877439, 2898140, 3171980, 3459988, 4057396, 4324985, 4440772, 5071745, 5550965, 5754878, 6054979, 7100443, 7771351, 8649970, 10143490, 11101930, 11509756, 12109958, 14200886, 14387195, 15542702, 17299940, 20142073, 20286980, 22203860, 24219916, 28401772, 28774390, 30274895, 31085404, 35502215, 38856755, 40284146, 57548780, 60549790, 71004430, 77713510, 80568292, 100710365, 121099580, 140994511, 142008860, 155427020, 201420730, 281989022, 402841460, 563978044, 704972555, 986961577, 1409945110, 1973923154, 2819890220, 3947846308, 4934807885, 9869615770, 19739231540]

約数ペア:

[(1, 19739231540), (2, 9869615770), (4, 4934807885), (5, 3947846308), (7, 2819890220), (10, 1973923154), (14, 1409945110), (20, 986961577), (28, 704972555), (35, 563978044), (49, 402841460), (70, 281989022), (98, 201420730), (127, 155427020), (139, 142008860), (140, 140994511), (163, 121099580), (196, 100710365), (245, 80568292), (254, 77713510), (278, 71004430), (326, 60549790), (343, 57548780), (490, 40284146), (508, 38856755), (556, 35502215), (635, 31085404), (652, 30274895), (686, 28774390), (695, 28401772), (815, 24219916), (889, 22203860), (973, 20286980), (980, 20142073), (1141, 17299940), (1270, 15542702), (1372, 14387195), (1390, 14200886), (1630, 12109958), (1715, 11509756), (1778, 11101930), (1946, 10143490), (2282, 8649970), (2540, 7771351), (2780, 7100443), (3260, 6054979), (3430, 5754878), (3556, 5550965), (3892, 5071745), (4445, 4440772), (4564, 4324985), (4865, 4057396), (5705, 3459988), (6223, 3171980), (6811, 2898140), (6860, 2877439), (7987, 2471420), (8890, 2220386), (9730, 2028698), (11410, 1729994), (12446, 1585990), (13622, 1449070), (15974, 1235710), (17653, 1118180), (17780, 1110193), (19460, 1014349), (20701, 953540), (22657, 871220), (22820, 864997), (24892, 792995), (27244, 724535), (31115, 634396), (31948, 617855), (34055, 579628), (35306, 559090), (39935, 494284), (41402, 476770), (43561, 453140), (45314, 435610), (47677, 414020), (55909, 353060), (62230, 317198), (68110, 289814), (70612, 279545), (79870, 247142), (82804, 238385), (87122, 226570), (88265, 223636), (90628, 217805), (95354, 207010), (103505, 190708), (111818, 176530), (113285, 174244), (123571, 159740), (124460, 158599), (136220, 144907)]